v.tr.1. a. To answer affirmatively: accept an invitation.
b. To agree to take (a duty or responsibility).
2. To receive (something offered), especially with gladness or approval: accepted a glass of water; accepted their contract.
3. To admit to a group, organization, or place: accepted me as a new member of the club.
4. a. To regard as proper, usual, or right: Such customs are widely accepted.
b. To regard as true; believe in: Scientists have accepted the new theory.
c. To understand as having a specific meaning.
5. To endure resignedly or patiently: accept one's fate.
6. To be able to hold (something applied or inserted): This wood will not accept oil paints.
7. To receive officially: accept the committee's report.
8. To consent to pay, as by a signed agreement.
9. To take payment in the form of: a store that does not accept checks.
10. Medicine To receive (a transplanted organ or tissue) without immunological rejection.
n.1. also ac·cept·er One who signs a draft or bill of exchange.
2. Chemistry An atom that accepts or incorporates a part from a donor, especially an atom that incorporates electrons to form a bond with another atom.