relevant
adjective
"His mother provided some relevant background information concerning his medical condition."
"{{quote-news|year=1973|date=December 20|title=Hansen says Christmas time for thanks, hope|work=The Aberdeen Times|url=http://news.google.com/newspapers?id=z6gMAAAAIBAJ&sjid=f2MDAAAAIBAJ&pg=6403,1843672&dq=relevant"
synonyms: applicable, germane, in point, pertinent more» , salient, significant