ac·cept·a·ble 
(ăk-sĕptə-bəl)
(ăk-sĕptə-bəl)adj.
1. Adequate to satisfy a need, requirement, or standard; satisfactory: an acceptable excuse; acceptable behavior. See Synonyms at sufficient.
2. Satisfactory but not superior; passable: The restaurant was acceptable but did not live up to its reputation. See Synonyms at average.
ac·cept′a·bili·ty, ac·cepta·ble·ness n.
ac·cepta·bly adv.