Akademik

mental lexicon
noun
a language user's knowledge of words
Syn: ↑vocabulary, ↑lexicon
Derivationally related forms: ↑lexical (for: ↑lexicon)
Hypernyms: ↑cognition, ↑knowledge, ↑noesis
Part Holonyms: ↑language, ↑speech

Useful english dictionary. 2012.