1. (a.) Belonging or related to the subject or matter in hand; relevant; material\; as, pertinent illustrations or arguments; pertinent evidence.

2. (a.) Regarding; concerning; belonging; pertaining.

a propos ad rem admissible affinitive appertaining applicable applying apposite appropriate apropos apt associative belonging comparable comparative congenial connective correlative en rapport fitting germane in point involving linking material pertaining proportionable proportional proportionate referable referring relating relational relative relevant suitable sympathetic to the point to the purpose