pertinent

Something pertinent is relevant and on-point. If you give your best friend pertinent advice, that means the advice is appropriate for the situation.

Something pertinent is related to the current topic or situation — and probably helpful too. If you're in math class and you make a comment about World War I, that's likely not pertinent. If you're in music class and you talk about a cello, that probably is pertinent. Pertinent things are appropriate and logical. In most situations, people like to get comments and questions that are pertinent — anything else can just seem like a distraction.

Definitions of pertinent
1

adj being of striking appropriateness and pertinence

Synonyms:
apposite, apt
apropos
of an appropriate or pertinent nature

adj having precise or logical relevance to the matter at hand

“a list of articles pertinent to the discussion”
Synonyms:
relevant
having a bearing on or connection with the subject at issue

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