lexicalize

To express using a word or words.

To incorporate into a language as a new word.

To treat (a phrase, expression, or other group of morphemes) as a single word.

To make into a word, coin into a word.

To increase the importance of, or emphasis on, words as opposed to other parts of a theory or program; — said of grammatical theories and computer programs, especially programs for understanding language.

To convert to a single lexical unit, as a group of words with meaning beyond their parts.

make or coin into a word or accept a new word into the lexicon of a language