The Collaborative International Dictionary of English v.0.48:

Commission \Com*mis"sion\, v. t. [imp. & p. p. Commissioned;
   p. pr & vb. n. Commissioning.]
   1. To give a commission to; to furnish with a commission; to
      empower or authorize; as, to commission persons to perform
      certain acts; to commission an officer.
      [1913 Webster]

   2. To send out with a charge or commission.
      [1913 Webster]

            A chosen band
            He first commissions to the Latian land. --Dryden.

   Syn: To appoint; depute; authorize; empower; delegate;
        constitute; ordain.

The Collaborative International Dictionary of English v.0.48:

commissioned \commissioned\ adj.
   1. (Mil.) holding by virtue of a commission a rank of second
      lieutenant or ensign or above; -- of military officers.
      Contrasts with noncommissioned.
      [WordNet 1.5]

   2. given official approval to act; as, commissioned broker.

   Syn: accredited, licensed, licenced.
        [WordNet 1.5]

   3. created according to an order; as, a commissioned
      painting.
      [PJC]

WordNet (r) 3.0 (2006):

commissioned
    adj 1: (of military officers) holding by virtue of a commission
           a rank of second lieutenant or ensign or above [ant:
           noncommissioned]
    2: given official approval to act; "an accredited college";
       "commissioned broker"; "licensed pharmacist"; "authorized
       representative" [syn: accredited, commissioned,
       licensed, licenced]