Acceptation/ˌæksepˈteɪʃn/ Definition 1 of 2Pro Tip 1/3Emotional Relief Used to express satisfaction or relief upon being accepted or receiving acceptance. His acceptation into the university brought joy to his family. Pro Tip 2/3Less Formal More commonly used in less formal contexts compared to 'acceptance'. The club's acceptation of new members happens yearly. Pro Tip 3/3Conditional Acceptance Can imply acceptance with reservations or conditions. Her acceptation of the deal was contingent on several amendments.