Black's Law Dictionary (2nd edition)dictionaries

Pertinent

Applicable; relevant. Evidence is called “pertinent” when it is directed to the issue or matters in dispute, and legitimately tends to prove the allegations of the party offering it; otherwise it is called “impertinent.” A pertinent hypothesis is one which, if sustained, would logically influence the Issue, whitaker v. State, 106 Ala. 30, 17 South. 456

Source: Black’s Law Dictionary 2nd Ed (1910)