verb

1. To admit the knowledge of; to recognize as a fact or truth; to declare one's belief in

   “to acknowledge the being of a god”

2. To own or recognize in a particular quality, character or relationship; to admit the claims or authority of; to give recognition to.

3. To be grateful of (e.g. a benefit or a favour)

   “to acknowledge a favor”

Synonyms: admit, allow, avow, concede, confess, own, proclaim, recognize