D defs.my
Entry 2 senses Webster, 1913

Pertinent

/pẽrt'-ĭn-ĭnt/ · Per·ti·nent · IPA /ˈpɚtɪnənt/
01 a. Belonging or related to the subject or matter in hand; fit or appropriate in any way; adapted to the end proposed; apposite; material; rele…
  1. 1.
    Belonging or related to the subject or matter in hand; fit or appropriate in any way; adapted to the end proposed; apposite; material; relevant; as, pertinent illustrations or arguments; pertinent evidence.
  2. 2.
    Regarding; concerning; belonging; pertaining.[R.]