List of adequate synonyms and adequate related words.
OK, able, acceptable, admissible, all right, ample, average, barely sufficient, better than nothing, capable, comfortable, commensurate, common, competent, corresponding, decent, due, effective, effectual, efficacious, efficient, enough, equal, equal to, fair, fair to middling, fairish, fit, fitted, fitting, good, good enough, goodish, middling, minimal, minimum, moderate, no great shakes, not amiss, not bad, not half bad, not so bad, okay, passable, plenty, plenty good enough, presentable, pretty good, productive, proficient, proper, proportionable, proportionate, qualified, respectable, satisfactory, satisfying, so so, substantial, sufficient, sufficient for, sufficing, suitable, suited, tidy, tolerable, unexceptionable, unexceptional, unimpeachable, unobjectionable, up, up to, up to snuff, workmanlike