adept, adequate, adroit, agile, alert, apt, bright, capable, competent, cunning, deft, dexterous, easy, effortless, endowed, equipped, facile, fitted, good, intelligent, knowing, powerful, ready, smart, strong, worthy
comfortable affordable reliable manageable
An actor able to replace a regular performer when required.
No words mean "hundered", there is no such English word as "hundered".
Synonyms are the different words that mean the same thing. Like for the word mean, a synonym would be unkind. Antonyms are words that mean the opposite of a word. For the word mean, an antonym might be nice.
Tangible.
Able to be believed
able is the root in the word changeable
The best word for "words that mean the same thing" is synonym. A synonym for big is large, for example.
edible
admirableadorableaffordableagreeableavailableavoidablebelievablebendablecalculablecharitableclaimabledetachableexpandableflammableforeseeablelaughablemanageablemeasurablemiserablenotablepalpableportablepunishablereadablerepairablesavablesolvablesuitabletouchabletrainablevaluable
it means to not be able to do something
That isn't a word