noun

• (uncountable) The act of accepting; the receiving of something offered, with acquiescence, approbation, or satisfaction; especially, favourable reception; approval.
  "the acceptance of a gift, office, doctrine, etc."
• (countable) An instance of that act.
• (business, finance) An assent and engagement by the person on whom a bill of exchange is drawn, to pay it when due according to the terms of the acceptance; the bill of exchange itself when accepted.
• (law) An agreeing to the action, proposals, or terms of another by some act which results in the conclusion of a legally binding contract; the reception or taking of a thing bought as that for which it was bought, or as that agreed to be delivered, or the taking of possession of a thing as owner.
  "But what acts shall amount to such an acceptance is often a question of great nicety and difficulty."