grad-, -grade, -gred, -gree, -gress

(Latin: walk, step, take steps, move around; walking or stepping)

ad eundem gradum (Latin phrase)
To the same degree.

Sometimes abbreviated as ad eundem, this phrase may be used to place blame or praise among parties to a deed. The fuller version has a special use when applied to academic life.

Considering gradum as an academic rank and, under special circumstances, a person holding a Master of Arts degree from one institution may be awarded the same degree by another institution without examination or even matriculation, and such a degree is termed "M.A. ad eundem gradum".

aggradation
aggression (uh GRESH uhn) (s) (noun), aggressions (pl)
1. A violent action that is hostile and usually unprovoked: So many children in school have shown aggression and anger on the playground by hitting back when pushed accidentally by other children during a game.
2. Deliberately unfriendly behavior: Sometimes aggression is shown by some football fans when their team loses a game and they verbally attack the supporters of the winning side.
3. The act of initiating hostilities: Because Timmy wasn’t happy at home, he turned his aggression towards the other kids at school by pushing them, taking their ball away from them during a game, or calling them bad names.
4. A disposition to behave contentiously or offensively: James had a very unhappy childhood while he was living in a bad environment and so he expressed feelings of aggression when dealing with other people.
5. A feeling of hostility that arouses thoughts of attack: A sensation of aggression developed in Jerry when he was falsely accused of stealing money from a woman's purse at a restaurant.
6. Etymology: from ad-, "to" + gradi, gressus, "to step"; from gradus, "a step".
aggressive
1. Inclined to behave in an actively hostile fashion; such as, an aggressive regime.
2. Assertive, bold, and energetic: "The manager made an aggressive sales campaign."
3. Of or relating to an investment or approach to investing that seeks above-average returns by taking above-average risks.
4. Fast growing; tending to spread quickly and to invade; for example, an aggressive tumor.
5. Characterized by or inclined toward vigorous or intensive medical treatment: "The doctor believed it was necessary to take an aggressive approach to treating the infection."
aggressively
1. In an offensive or aggressive manner.
2. Tending toward or exhibiting hostility, a destructive behavior or outlook; especially, when caused by frustration.
aggressiveness
1. Characterized by or tending toward unprovoked offensives, attacks, invasions, etc; militantly menacing; such as, one nation's aggressive acts against a neighboring country.
2. Making an all-out effort to win or to succeed; competitive: "His aggressiveness actually resulted in his being a star basketball player."
3. Boldly assertive and forward; pushy: "Her aggressiveness as a driver got her into trouble on several occasions.
4. Referring to a risky surgery or medical treatment, or to a medication that has serious side effects: "The aggressiveness of the chemotherapy was a factor in saving her life."
aggressor
1. A person or nation, that attacks or starts a war, a fight, or an argument, often without being provoked.
2. Anyone who initiates hostilities; such as, an assailant who attacks another person or who engages in some form of aggressive behavior.
3. Someone whose behavior may be violent, unpredictable, reactionary, and impulsive; for example, anyone who breaks the law.
antegrade
antegression
anterograde
antiprogressive, anti-progressive (adjective)
1. A reference to slowing or stopping a forward development of some objective: "Protecting the environment should not be considered as an anti-progressive movement, but a necessity for human survival now and into the future."
2. A reference to a politically conservative position that is against what is perceived to be a liberal, socialist, or leftist philosophy in politics that includes more government control over social and economic processes as opposed to private enterprises: "One can hear the conflicts that exist between anti-conservatives ["left-wingers"] versus anti-progressives ["right-wingers"] by listening to certain radio-talk show hosts and politicians as they lambast (severely criticize) each other's political and economic positions."
biodegradability (s) (noun), biodegradabilities (pl)
The capacity of being broken down chemically by organisms in the environment: The biodegradability of the new kind of plastic was proven to be a great thing and totally accepted by the consumers.
biodegradable (adjective), more biodegradable, most biodegradable
Relating to organic compounds that can be decomposed by natural processes: Environmentally friendly people are interested in using only biodegradable detergents, which can be broken down by biological agents, particularly by bacteria, when washing their clothes or dishes.

Most plastics, for example, are not biodegradable and will remain in the environment for ever!

biodegradation, biological degradation
1. The series of processes by which living systems render chemicals less noxious to the environment.
2. The breakdown of organic materials into simple chemicals by biochemical processes..
biodegrade
1. To decay and to become absorbed by the environment.
2. The conversion of molecules from one form to another within an organism, often associated with change in pharmacologic activity; refers especially to drugs and other xenobiotics.
3. The series of processes by which living systems render chemicals less noxious to the environment.

Also, biotransformation.