Intonate \In"to*nate\, v. i. [L. intonatus, p. p. of intonare to thunder, resound.] To thunder. [Obs.] --Bailey.
Intonate \In"to*nate\, v. i. [imp. & p. p. {Intonated}; p. pr. & vb. n. {Intonating}.] [See {Intone}.] 1. (Mus.) To sound the tones of the musical scale; to practice the sol-fa.
2. To modulate the voice in a musical, sonorous, and measured manner, as in reading the liturgy; to intone.
Intonate \In"to*nate\, v. t. To utter in a musical or sonorous manner; to chant; as, to intonate the liturgy.