modulateverb · Level 1 SAT1To vary in tone, inflection, pitch or other quality of soundA skilled orator knows how to modulate her voice to hold the audience's attention.ModuleLevel 1Registeracademic, common, contrast, toneCollectionCollection 034SAT Core planAlso in Collection 034assimilate, ascertain, anticlimax, debase, portent, pillage, engender, evince and 1 more