Source : Webster's Revised Unabridged Dictionary (1913)

Endear \En*dear"\, v. t. [imp. & p. p. {Endeared}; p. pr. & vb.
   n. {Endearing}.]
   1. To make dear or beloved. ``To be endeared to a king.''
      --Shak.

   2. To raise the price or cost of; to make costly or
      expensive. [R.] --King James I. (1618).

Endearing \En*dear"ing\, a.
   Making dear or beloved; causing love. -- {En*dear"ing*ly},
   adv.

Source : WordNet®

endearing
     adj : lovable especially in a childlike or naive way [syn: {adorable},
            {lovely}]