Modulate

(77), v. t. [imp. & p. p. MODULATED; p. pr. & vb. n. MODULATING.] [Lat. modulari, modulatus, from modulus, a small measure, meter, melody, diminutive of modus, It. modulare, Sp. & Pr. modular, Fr. moduler. See MODE.]

1Sense 1. To form, as sound, to a certain key, or to a certain proportion.

2Sense 2. To vary or inflect in a natural, customary, or musical manner; as, the organs of speech modulate the voice in reading or speaking.

Could any person so modulate her voice as to deceive so many? Broome.