vocalize in WordNet English dictionary

1. express or state clearly
   articulate  enunciate  vocalize  vocalise 
   
2. utter speech sounds
   vocalize  vocalise  phonate 
   
3. utter with vibrating vocal chords
   voice  sound  vocalize  vocalise 
   
4. pronounce as a vowel
   "between two consonants, this liquid is vowelized"
   vocalize  vocalise  vowelize  vowelise 
   
5. sing (each note a scale or in a melody) with the same vowel
   vocalize  vocalise