connected (with the topic, problem, person etc receiving attention)
appropriate; to the purpose
Cases of word usage
1) that is relevant or concerns (applicable)
2) not apt or relevant (inapt)
3) referring directly; relevant (pertinent)
4) (of a speaker, what is said etc) to speak about (a person, thing); to be relevant to; to turn to, go to, (a person, thing) for information etc (refer)
5) the state of being relevant (relevance)