The approving of an action, especially when done by one in authority:
allowance, approbation, approval, authorization, consent, endorsement, leave2, license, permission, permit, sanction. See allowThe act or process of accepting:
acceptance, acquiescence, agreement, assent, consent, nod, yes. See acceptTo give one's consent to:
allow, approbate, approve, authorize, consent, endorse, let, permit, sanction. See allowIt is so; as you say or ask:
absolutely, agreed, all right, assuredly, aye, gladly, indubitably, roger, undoubtedly, unquestionably, willingly, yea, yes. (Informal) uh-huh, yeah, yep. (Slang) right on. See affirmOf moderately good quality but less than excellent:
acceptable, adequate, all right, average, common, decent, fair, fairish, goodish, moderate, passable, respectable, satisfactory, sufficient, tolerable. (Informal) tidy. See good
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