The Collaborative International Dictionary of English v.0.48:

Commend \Com*mend"\, v. t. [imp. & p. p. Commended; p. pr. &
   vb. n. Commending.] [L. commendare; com- + mandare to
   intrust to one's charge, enjoin, command. Cf. Command,
   Mandate.]
   1. To commit, intrust, or give in charge for care or
      preservation.
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            His eye commends the leading to his hand. --Shak.
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            Father, into thy hands I commend my spirit. --Luke
                                                  xxiii. 46.
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   2. To recommend as worthy of confidence or regard; to present
      as worthy of notice or favorable attention.
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            Among the objects of knowledge, two especially
            commend themselves to our contemplation. --Sir M.
                                                  Hale.
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            I commend unto you Phebe our sister.  --Rom. xvi. 1.
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   3. To mention with approbation; to praise; as, to commend a
      person or an act.
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            Historians commend Alexander for weeping when he
            read the actions of Achilles.         --Dryden.
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   4. To mention by way of courtesy, implying remembrance and
      good will. [Archaic]
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            Commend me to my brother.             --Shak.
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The Collaborative International Dictionary of English v.0.48:

Commend \Com*mend"\, n.
   1. Commendation; praise. [Obs.]
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            Speak in his just commend.            --Shak.
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   2. pl. Compliments; greetings. [Obs.]
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            Hearty commends and much endeared love to you.
                                                  --Howell.
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WordNet (r) 3.0 (2006):

commend
    v 1: express approval of
    2: present as worthy of regard, kindness, or confidence; "His
       paintings commend him to the artistic world"
    3: give to in charge; "I commend my children to you"
    4: express a good opinion of [syn: commend, recommend]
    5: mention as by way of greeting or to indicate friendship;
       "Remember me to your wife" [syn: commend, remember]

Moby Thesaurus II by Grady Ward, 1.0:

44 Moby Thesaurus words for "commend":
   acclaim, advocate, applaud, approve, assign, back, boost, commit,
   compliment, confide, consign, countenance, cry up, delegate,
   endorse, enfeoff, entrust, eulogize, extol, give in charge,
   give in trust, hail, hand over, hype, infeudate, plug, praise,
   proffer, promote, puff, recommend, relegate, remand, remit, resign,
   speak highly of, speak warmly of, speak well of, support, tender,
   tout, trust, turn over, yield