What does acception mean?
The definition of acception
Ac*cep”tion, n.
Etym: [L. acceptio a receiving, accepting: cf. F. acception.]

Acceptation; the received meaning. [Obs.] Here the word “baron” is not to be taken in that restrictive sense to which the modern acception hath confined it. Fuller. Acception of persons or faces (Eccl.), favoritism; partiality. [Obs.] Wyclif.