relevant

relevant
    adj 1: having a bearing on or connection with the subject at
           issue; "the scientist corresponds with colleagues in
           order to learn about matters relevant to her own
           research" [ant: {irrelevant}]
    

Relevant \Rel"e*vant\ (-vant), a. [F. relevant, p. pr. of
   relever to raise again, to relieve. See {Relieve}.]
   1. Relieving; lending aid or support. [R.] --Pownall.
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   2. Bearing upon, or properly applying to, the case in hand;
      pertinent; applicable.
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            Close and relevant arguments have very little hold
            on the passions.                      --Sydney
                                                  Smith.
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   3. (Scots Law) Sufficient to support the cause.
      [1913 Webster]
    

55 Moby Thesaurus words for "relevant":
      a propos, ad rem, adapted, admissible, akin, allied, allowable,
      appertaining, applicable, applying, apposite, appropriate, apropos,
      apt, associated, becoming, befitting, belonging, cognate,
      dovetailing, felicitous, fit, fitted, fitting, geared, germane,
      happy, important, in point, in question, involving, just right,
      likely, material, meshing, on the button, opportune, pat,
      pertaining, pertinent, proper, qualified, related, relative, right,
      seasonable, significant, sortable, suitable, suited, suiting,
      tailored, to the point, to the purpose, weighty