acceptor
Concise Oxford English Dictionary © 2008 Oxford University Press:
accept/əkˈsept/
▶verb
- 1 consent to receive or undertake (something offered).
- 2 regard with approval.
- 3 believe to be valid or correct.
- 4 take on (a responsibility or liability).
■ tolerate or submit to (something undesirable).
– derivatives
acceptance noun,
acceptant adjective (rare),
acceptor (also accepter) noun.
acceptance noun,
acceptant adjective (rare),
acceptor (also accepter) noun.
– origin ME: from L. acceptare, from accipere, from ad- ‘to’ + capere ‘take’.
'acceptor' also found in these Oxford entries:

