[adj] worthy of acceptance or satisfactory; "acceptable levels of radiation"; "performances varied from acceptable to excellent"
[adj] adequate for the purpose; "the water was acceptable for drinking"
[adj] meeting requirements; "the step makes a satisfactory seat"
[adj] (linguistics) judged to be in conformity with approved usage; "acceptable English usage"
\Ac*cept"a*ble\, a. [F. acceptable, L. acceptabilis, fr. acceptare.] Capable, worthy, or sure of being accepted or received with pleasure; pleasing to a receiver; gratifying; agreeable; welcome; as, an acceptable present, one acceptable to us.