Synonyms of acceptable

1 Syllable

swell, hip, cool, big, hep, fair, good

2 Syllables

okay, trendy, enough, pleasing, a-ok, large, toothier, decent, kosher, pleasant, standard, common, toothy

3 Syllables

passable, bellyful, delightful, bearable, convincing, becoming, likelier, well-chosen, unmarred, likeliest, convenient, likely, good-tasting, home-cooking, permitted, generous, inerrant, great-hearted, sufficient, syntactic, semantic, agreeable, welcome

4 Syllables

concedable, believable, grammatical, respectable, infallible, inferable, tolerable, eligible, adequate, condonable, vindicable, unforbidden, average, inerrable, allowable, sufferable, permissible, apodictic, warrantable, believeable, supposable, remissible, admissible, reasonable, hunky-dory, pleasureful, justifiable, saporific, sugar-coated, traditional, palatable, presentable, copacetic, largehearted

5 Syllables

super-excellent, unexceptional, unprohibited, undeceivable, conjecturable, superexcellent

6 Syllables

unexceptionable, unobjectionable