Synonyms to not half bad

acceptable, OK, adequate, admissible, adorable, agreeable, all right, alright, appetizing, attractive, average, bearable, better than nothing, commonplace, decent, delightful, desirable, eligible, endurable, enfranchised, enviable, exciting, fair, fairish, fit, fitted, good, good enough, goodish, grateful, gratifying, likable, lovable, moderate, mouth-watering, not amiss, not bad, not so bad, okay, ordinary, passable, pleasant, pleasing, presentable, pretty good, provocative, qualified, respectable, satisfactory, satisfying, sufficient, suitable, supportable, taking, tantalizing, tempting, tenable, tidy, to be desired, tolerable, toothsome, unexceptionable, unexceptional, unimpeachable, unobjectionable, viable, welcome, winning, with voice, with vote, workmanlike, worth having, worthy, able, ample, barely sufficient, capable, comfortable, commensurate, common, competent, corresponding, due, effective, effectual, efficacious, efficient, enough, equal, equal to, fair to middling, fittin