Source : Webster's Revised Unabridged Dictionary (1913)

Precept \Pre"cept\, v. t.
   To teach by precepts. [Obs.] --Bacon.

Source : WordNet®

precept
     n 1: rule of personal conduct [syn: {principle}]
     2: a doctrine that is taught; "the teachings of religion"; "he
        believed all the Christian precepts" [syn: {teaching}, {commandment}]