| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | able to be chosen |
| Synonyms: | constituent, discretionary, electoral, facultative, nonobligatory, not compulsory, optional, selective, voluntary, voting |
| Antonyms: | required |
| Main Entry: | eligible |
| Part of Speech: | adjective |
| Definition: | fit, worthy |
| Synonyms: | acceptable, appropriate, becoming, capable of, desirable, discretionary, elective, employable, equal to, fitted, in line for, in the running, licensed, likely, preferable, privileged, proper, qualified, satisfactory, seemly, suitable, suited, trained, up to, usable |
| Notes: | eligible means qualified for or allowed or worthy of being chosen while illegible means hard to read or not legible |
| Antonyms: | improper, inappropriate, ineligible, unfit, unsuitable, unsuited, unworthy |
| Main Entry: | optional |
| Part of Speech: | adjective |
| Definition: | possible; available as choice |
| Synonyms: | alternative, arbitrary, discretional, discretionary, elective, extra, facultative, free, no strings attached, noncompulsory, nonobligatory, not required, open, unforced, unrestricted, up to the individual, volitional, voluntary |
| Antonyms: | compulsory, forced, required |
| Main Entry: | electoral |
| Part of Speech: | adjective |
| Definition: | electing |
| Synonyms: | appointing, appointive, by vote, constituent, discretionary, elective, selecting |
| Main Entry: | facultative |
| Part of Speech: | adjective |
| Definition: | optional |
| Synonyms: | discretional, discretionary, elective, noncompulsory, nonobligatory, not required, volitional, voluntary |