English to English

verb (v)

• change the key of, in music(verb.creation)

  Example:
  Modulate the melody.
  

  source: wordnet30
• vary the pitch of one's speech(verb.communication)

  Synonym:
  inflect, tone
  

  source: wordnet30
• fix or adjust the time, amount, degree, or rate of(verb.change)

  Example:
  Modulate the pitch.
  

  Synonym:
  regulate
  

  source: wordnet30
• adjust the pitch, tone, or volume of(verb.change)

  source: wordnet30
• vary the frequency, amplitude, phase, or other characteristic of (electromagnetic waves)(verb.change)

  source: wordnet30
• To form, as sound, to a certain key, or to a certain portion.(verb)

  source: webster1913
• To pass from one key into another.(verb)

  source: webster1913