- a|ble
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1. having enough power, skill, means, or talent to do something; capable: »
Most little children are able to walk before they are able to talk. A cat is able to see in the dark.
2. having more power or skill than most others have; skillful: »She is an able teacher.
SYNONYM(S): expert, clever, accomplished.4. legally authorized or qualified.5. having the necessary qualifications: »an able seaman.
╂[< Old French hable, able < Latin habilis fit, easily held or handled < habēre hold]Synonym Study 1 Able, capable, competent mean having the skill or means to do or for doing something. Able emphasizes power to act or perform: »She is able to earn a living.
Capable emphasizes fitness for doing, capacity or ability to do something adequately, or, sometimes, general efficiency: »Washington proved himself capable both as soldier and as administrator.
Competent emphasizes possession of sufficient skill or other requirements to do a certain kind of work satisfactorily: »A competent typist is not necessarily a competent secretary.
Usage When they do not precede nouns, able and competent are followed by to plus an infinitive, capable by of plus a gerund: »able to work, competent to perform a task, capable of judging music.
-able,suffix.3. added to nouns inclined to _____; such as to _____: »Peaceable = inclined to peace.
4. added to verbs and nouns fit to be _____ed; deserving of _____: »Wearable = fit to be worn. Lovable = deserving of love.
5. added to verbs liable to be _____: »Breakable = liable to be broken.
╂[< Old French -able < Latin -ābilis, a suffix forming adjectives from verbs with infinitives in -āre, being one form of the suffix -bilis]Usage Instead of -able a number of words have the spelling -ible, which originally belonged largely to words from Latin infinitives in -ēre, -ere, or -īre (as in terrible). The living suffix is -able, used in coining occasional words like jumpable; -able is attached to verbs (actable), nouns (actionable), and even verbal phrases (get-at-able) to form adjectives.
Useful english dictionary. 2012.