37. acceptance (noun) 1 the act of accepting a gift, an invitation, and ofter etc. please confirm your acceptance of this offer in writing. He made a short acceptance speech/speech of acceptance. 2. (v.) the act of agreeing with something and approving of it. The new laws have gained widespread acceptance. 3. (v.) the process of allowing somebody to join something or be a member of a group . your acceptance into the insurance plan is guaranteed. Social acceptance is important for most young people 4. I willingness to accept an unpleasant or difficult situation: acceptance of death/suffering.