- vocabulary - a listing of the words used in some enterprise
--1 is a kind of wordbook
- vocabulary, lexicon, mental lexicon - a language user's knowledge of words
--2 is a kind of cognition, knowledge, noesis
--2 is a part of language, speech- vocabulary - the system of techniques or symbols serving as a means of expression (as in arts or crafts); "he introduced a wide vocabulary of techniques"
--3 is a kind of frame of reference
- vocabulary, lexicon, mental lexicon - a language user's knowledge of words