active vocabulary

: characterized by action rather than by contemplation or speculation

: producing or involving action or movement

: asserting that the person or thing represented by the grammatical subject performs the action represented by the verb

: a list or collection of words or of words and phrases usually alphabetically arranged and explained or defined : lexicon

: a sum or stock of words employed by a language, group, individual, or work or in a field of knowledge

: a list or collection of terms or codes available for use (as in an indexing system)