lexicalize
1. [ verb ] make or coin into a word or accept a new word into the lexicon of a language
Synonyms: lexicalise
Examples:

"The concept expressed by German `Gemuetlichkeit' is not lexicalized in English"

Related terms: formulate lexicalisation
Similar spelling:   lexicalized
  lexical
  lexicalise
  lexicalised
  lexically
  lexical_entry