synonymize verb. 
[sɪ'nɒnɪmʌɪz] Also 
synonymise. 
L16.[from SYNONYM + -IZE.]1.  verb trans. Give the synonyms of. 
rare. 
L16.2.  verb intrans. Be synonymous 
with. 
rare. 
E17.3.  verb intrans. Use synonyms; express the same meaning by different words. 
rare. 
E18.4.  verb trans.a. Be synonymous with (a concept, phrase, etc.). 
M20.b. Regard (terms, concepts, etc.) as synonymous. 
L20.  [TahlilGaran] English Dictionary ▲