Lexicalize is a verb that means to convert or express something into words or a particular system of language. Some synonyms for lexicalize include: verbalize, articulate, phrase, express, communicate, explain, convey, render, enunciate, formulate, state, utter, speak, voice, vocalize, word, and articulate. Depending on the context, these synonyms can be used interchangeably with lexicalize to convey the same meaning. For instance, one can say "I need to verbalize my thoughts" instead of "I need to lexicalize my thoughts." It is worth noting that synonyms help us diversify our language and avoid repetition when communicating.