Search Result for "linguistic competence":
Wordnet 3.0

NOUN (1)

1. (linguistics) a speaker's implicit, internalized knowledge of the rules of their language (contrasted with linguistic performance); 



WordNet (r) 3.0 (2006):

linguistic competence
    n 1: (linguistics) a speaker's implicit, internalized knowledge
         of the rules of their language (contrasted with linguistic
         performance)