Source : Webster's Revised Unabridged Dictionary (1913)

Please \Please\, v. t. [imp. & p. p. {Pleased}; p. pr. & vb. n.
   {Pleasing}.] [OE. plesen, OF. plaisir, fr. L. placere, akin
   to placare to reconcile. Cf. {Complacent}, {Placable},
   {Placid}, {Plea}, {Plead}, {Pleasure}.]
   1. To give pleasure to; to excite agreeable sensations or
      emotions in; to make glad; to gratify; to content; to
      satisfy.

            I pray to God that it may plesen you. --Chaucer.

            What next I bring shall please thee, be assured.
                                                  --Milton.

   2. To have or take pleasure in; hence, to choose; to wish; to
      desire; to will.

            Whatsoever the Lord pleased, that did he. --Ps.
                                                  cxxxv. 6.

            A man doing as he wills, and doing as he pleases,
            are the same things in common speech. --J. Edwards.

   3. To be the will or pleasure of; to seem good to; -- used
      impersonally. ``It pleased the Father that in him should
      all fullness dwell.'' --Col. i. 19.

            To-morrow, may it please you.         --Shak.

   {To be pleased in} or {with}, to have complacency in; to take
      pleasure in.

   {To be pleased to do a thing}, to take pleasure in doing it;
      to have the will to do it; to think proper to do it.
      --Dryden.

Pleasing \Pleas"ing\, a.
   Giving pleasure or satisfaction; causing agreeable emotion;
   agreeable; delightful; as, a pleasing prospect; pleasing
   manners. ``Pleasing harmony.'' --Shak. ``Pleasing features.''
   --Macaulay. -- {Pleas"ing*ly}, adv. -- {Pleas"ing*ness}, n.

   Syn: Gratifying; delightful; agreeable. See {Pleasant}.

Pleasing \Pleas"ing\, n.
   An object of pleasure. [Obs.] --Chaucer.

Source : WordNet®

pleasing
     adj 1: giving pleasure and satisfaction; "a pleasing piece of
            news"; "pleasing in manner and appearance" [ant: {displeasing}]
     2: aesthetically pleasing; "an artistic flower arrangement"
        [syn: {aesthetic}, {esthetic}, {artistic}]
     3: giving pleasure or satisfaction [syn: {appreciated}, {gratifying},
         {satisfying}]
     4: able to please or win approval

pleasing
     n : the act of one who pleases