Ap`per*cep"tion (#), n. [Pref. ad- + perception: cf. F. apperception.] Metaph.

The mind's perception of itself as the subject or actor in its own states; perception that reflects upon itself; sometimes, intensified or energetic perception.

Leibnitz. Reid.

This feeling has been called by philosophers the apperception or consciousness of our own existence. Sir W. Hamilton.

© Webster 1913.