Noah Webster
Pertinent
PER'TINENT, adjective [Latin pertinens.] Related to the subject or matter in
hand; just to the purpose; adapted to the end proposed; apposite; not foreign to the thing intended. We say, he used an argument not pertinent to his subject or design. The discourse abounds with pertinent remarks. He gave pertinent answers to the questions.
1. Regarding; concerning; belonging. [Little Used.]