adjective
1.
Synonyms: believable , colorable, creditable, plausible
Related Word: satisfactory, satisfying; solid, sound, straight, valid
Idioms: to be believed
Contrasted words: unsatisfactory; preposterous, ridiculous
Antonyms: incredible
2.
Synonyms: authentic 1, convincing, faithful, trustworthy, trusty
Related Word: likely, probable; rational, reasonable; conclusive, determinative
Antonyms: incredible