vocalize
     v 1: utter with vibrating vocal chords [syn: {voice}, {sound}, {vocalise}]
          [ant: {devoice}]
     2: sing with one vowel [syn: {vocalise}]
     3: pronounce as a vowel; "between two consonants, this liquid
        is vowelized" [syn: {vocalise}, {vowelize}, {vowelise}]
     4: express or state clearly [syn: {articulate}, {enunciate}, {vocalise}]
     5: utter speech sounds [syn: {vocalise}, {phonate}]
Source: WordNet® 2.0