-igate, -egate +

(Latin: suffix; meaning, to make, to drive)

instigate
1. To urge on; to goad.
2. To stir up; to foment.
levigate, levigates, levigated, levigating (verb forms)
1. To make into a smooth, fine powder or paste; such as, by grinding when moist: "He was levigating a mineral into a fine powder with water."
2. To separate fine particles from coarse ones by grinding in water: "He levigated the fine particles from the coarser ones by suspending them in water."
3. To make something smooth or to polish it: "They were in the process of levigating a liquid mixture into a smooth, uniform liquid mixture; such as, a paste or gel."
litigate, litigates, litigating, litigated (verb forms)
1. To engage in legal proceedings: "The company's unwillingness to make a deal increased her desire to litigate."
2. To institute legal proceedings against someone or an organization; to file a suit against: "They agreed to litigate all disputes in the court tomorrow."
3. Etymology: from the early 17th century, from Latin litigat-, past participle of litigare, lit-, "lawsuit" + agere, "to drive".
mitigate, mitigates
1. To make something less severe, less harsh, or less violent.
2. To lessen or to try to lessen the seriousness or extent of something.
3. To moderate (a quality or condition) in force or intensity; to alleviate.
4. To lessen in force or intensity; such as, wrath, grief, harshness, or pain; to moderate.
5. To make less severe; to mitigate a punishment.
6. To make (a person, one's state of mind, disposition, etc.) milder or more gentle; to mollify; to appease.
navigate
1. To plan, to record, and to control the course and position of (a ship or aircraft).
2. To follow a planned course on, across, or through.
3. To voyage over water in a boat, or a ship; to sail.
obligate
1. To bind, to compel, or to constrain by a social, legal, or moral tie.
2. To cause to be grateful or indebted; to oblige.
3. To commit; for example, money, in order to fulfill an obligation.
4. In biology, restricted to one particular mode of life or set of conditions.
5. Restricted to a single mode of behavior or environmental condition; such as, an obligate aerobe that is dependent on the presence of molecular oxygen to breathe.
6. Etymology: from Latin "to bind by oath", from Old French obligier, from Latin obligare; from ob-, "to" + ligare, "to bind".
relegate
1. To assign to an obscure place, position, or condition.
2. To assign to a particular class or category; to classify.
3. To refer or to assign; for example, a matter or task, for a decision or an action.
4. To send to a place of exile; to banish.
segregate
1. To separate or to isolate from others or from a main body or group.
2. To impose the separation of (a race or class) from the rest of society.
variegate
1. To change the appearance of, especially by marking with different colors; to streak.
2. To give variety to; to make varied.