The Collaborative International Dictionary of English v.0.48:

Entrust \En*trust"\, v. t.
   See Intrust.
   [1913 Webster]

WordNet (r) 3.0 (2006):

entrust
    v 1: confer a trust upon; "The messenger was entrusted with the
         general's secret"; "I commit my soul to God" [syn:
         entrust, intrust, trust, confide, commit]
    2: put into the care or protection of someone; "He left the
       decision to his deputy"; "leave your child the nurse's care"
       [syn: entrust, leave]

Moby Thesaurus II by Grady Ward, 1.0:

43 Moby Thesaurus words for "entrust":
   accredit, allocate, allot, assign, authorize, carry, charge,
   charter, commend, commission, commit, confer, confide, consign,
   delegate, depute, deputize, detach, detail, devolute, devolve,
   devolve upon, empower, enfeoff, extend credit, give credit,
   give in charge, give in trust, give tick, hand, impose, infeudate,
   license, mission, post, relegate, remand, remit, sell on credit,
   send out, transfer, trust, warrant