-ability
(Latin: suffix; expressing ability, capacity, fitness, or "that which may be easily handled or managed")
Just a few examples out of hundreds of words presented as the noun forms of -able; forming nouns of quality from, or corresponding to, adjectives in -able; the quality in an agent that makes an action possible. The suffix -ible has related meanings.
solvability
Capable of being solved; such as, a problem.
stability
sustainability
The fact of being sustainable; or the preservation of the overall viability and normal functioning of natural systems.
temptability
tenable, tenability, tenableness
That which can be held, defended, or maintained [to hold, to grasp, to have].
threat and vulnerability assessment
In antiterrorism, the pairing of a facility's threat analysis and vulnerability analysis.
tolerability
1. Capable of being tolerated; endurable: "The teacher said the student's arrogance is no longer tolerable."
2. Being fairly good; passable; not bad.
2. Being fairly good; passable; not bad.
tractability
1. Being easily managed or controlled; docile; yielding.
2. That which can be easily worked, shaped, or otherwise handled; malleable.
2. That which can be easily worked, shaped, or otherwise handled; malleable.
transmission reliability margin (TRM)
The amount of transmission transfer capability necessary to ensure that a transmission network will be secure under a reasonable range of uncertainties in system conditions.
transportability
The ability of carrying something or someone around; usually over long distances; the possibility of sending someone or something from one place to another.
unpalatable, unpalatability, unpalatably
1. Not pleasant, agreeable, or acceptable to the taste or mind; for example, "We had an unpalatable meal at that restaurant."
2. Not tasting good: having an unpleasant taste.
3. Disagreeable or unacceptable; obnoxious: "I can not tolerate his unpalatable behavior."
2. Not tasting good: having an unpleasant taste.
3. Disagreeable or unacceptable; obnoxious: "I can not tolerate his unpalatable behavior."
unpredictability
Something which is impossible to be predicted or that which can not be determined in advance.
variability
1. The quality, state, or degree of being variable or changeable.
2. Having the ability to change; especially, suddenly and unpredictably.
2. Having the ability to change; especially, suddenly and unpredictably.
vasolability
An instability of the vascular system.
venerable, venerbleness, venerability
1. Commanding respect by virtue of age, dignity, character, or position; worthy of veneration or reverence, as because of high office or noble character: a venerable member of Congress.
2. Worthy of reverence, especially by religious or historical association: venerable relics.
3. With reference to places, buildings, etc.; hallowed by religious, historic, or other lofty associations: the venerable halls of the abbey.
4. Venerable; abbreviated, Ven. or V.; Roman Catholic Church. Used as a form of address for a person who has reached the first stage of canonization.
5. Used as a form of address for an archdeacon in the Anglican Church or the Episcopal Church.
6. Impressive or interesting because of age, antique appearance, etc.: a venerable oak tree.
7. Extremely old or obsolete; ancient; such as, a venerable house.
2. Worthy of reverence, especially by religious or historical association: venerable relics.
3. With reference to places, buildings, etc.; hallowed by religious, historic, or other lofty associations: the venerable halls of the abbey.
4. Venerable; abbreviated, Ven. or V.; Roman Catholic Church. Used as a form of address for a person who has reached the first stage of canonization.
5. Used as a form of address for an archdeacon in the Anglican Church or the Episcopal Church.
6. Impressive or interesting because of age, antique appearance, etc.: a venerable oak tree.
7. Extremely old or obsolete; ancient; such as, a venerable house.

