Tolerable1. (a.) Capable of being borne or endured; moderately good.
2. (a.) Moderately good or agreeable; not contemptible; not very excellent or pleasing, but such as can be borne or received without disgust, resentment, or opposition; passable; as, a tolerable administration; a tolerable entertainment; a tolerable translation.
Thesaurus Entries
OK, acceptable, adequate, admissible, all right, allowable, average, bearable, better than nothing, betwixt and between, common, decent, dull, endurable, fair, fair to middling, fairish, good enough, goodish, indifferent, insipid, lackluster, livable, mediocre, medium, middling, moderate, modest, namby-pamby, not amiss, not bad, not half bad, not so bad, of a kind, of a sort, of sorts, okay, ordinary, passable, presentable, pretty good, respectable, run-of-the-mill, satisfactory, so so, so-so, sufferable, sufficient, supportable, sustainable, tedious, tidy, unexceptionable, unexceptional, unimpeachable, unobjectionable, vapid, wishy-washy, workmanlike