(1):

(n.) Mode of utterance or pronunciation, especially as regards fullness and distinctness or articulation; as, to speak with a clear or impressive enunciation.

(2):

(n.) The act of enunciating, announcing, proclaiming, or making known; open attestation; declaration; as, the enunciation of an important truth.

(3):

(n.) That which is enunciated or announced; words in which a proposition is expressed; an announcement; a formal declaration; a statement.