The Collaborative International Dictionary of English v.0.48:

Consent \Con*sent"\, v. i. [imp. & p. p. Consented; p. pr. &
   vb. n. Consenting.] [F. consentir, fr. L. consentire,
   -sensum, to feel together, agree; con- + sentire to feel. See
   Sense.]
   1. To agree in opinion or sentiment; to be of the same mind;
      to accord; to concur.
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            And Saul was consenting unto his death. --Acts.
                                                  viii. 1.
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            Flourishing many years before Wyclif, and much
            consenting with him in jugdment.      --Fuller.
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   2. To indicate or express a willingness; to yield to
      guidance, persuasion, or necessity; to give assent or
      approval; to comply.
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            My poverty, but not my will, consents. --Shak.
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            And whispering "I will ne'er consent," -- consented.
                                                  --Byron.

   Syn: To accede; yield; assent; comply; agree; allow; concede;
        permit; admit; concur; acquiesce.
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The Collaborative International Dictionary of English v.0.48:

Consent \Con*sent"\, v. t.
   To grant; to allow; to assent to; to admit. [Obs.]
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         Interpreters . . . will not consent it to be a true
         story.                                   --Milton.
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The Collaborative International Dictionary of English v.0.48:

Consent \Con*sent"\, n. [Cf. OF. consent.]
   1. Agreement in opinion or sentiment; the being of one mind;
      accord.
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            All with one consent began to make excuse. --Luke
                                                  xiv. 18.
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            They fell together all, as by consent. --Shak.
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   2. Correspondence in parts, qualities, or operations;
      agreement; harmony; coherence.
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            The melodious consent of the birds.   --Holland.
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            Such is the world's great harmony that springs
            From union, order, full consent of things. --Pope.
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   3. Voluntary accordance with, or concurrence in, what is done
      or proposed by another; acquiescence; compliance;
      approval; permission.
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            Thou wert possessed of David's throne
            By free consent of all.               --Milton.
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   4. (Law) Capable, deliberate, and voluntary assent or
      agreement to, or concurrence in, some act or purpose,
      implying physical and mental power and free action.
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   5. (Physiol.) Sympathy. See Sympathy, 4.

   Syn: Assent; acquiescence; concurrence; agreement; approval;
        permission. See Assent.
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   Age of consent (Law), an age, fixed by statute and varying
      in different jurisdictions, at which one is competent to
      give consent. Sexual intercourse with a female child under
      the age of consent is punishable as rape.
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WordNet (r) 3.0 (2006):

consent
    n 1: permission to do something; "he indicated his consent"
    v 1: give an affirmative reply to; respond favorably to; "I
         cannot accept your invitation"; "I go for this resolution"
         [syn: accept, consent, go for] [ant: decline,
         refuse]