Source : Webster's Revised Unabridged Dictionary (1913)

Notice \No"tice\, n. [F., fr. L. notitia a being known,
   knowledge, fr. noscere, notum, to know. See {Know}.]
   1. The act of noting, remarking, or observing; observation by
      the senses or intellect; cognizance; note.

            How ready is envy to mingle with the notices we take
            of other persons !                    --I. Watts.

   2. Intelligence, by whatever means communicated; knowledge
      given or received; means of knowledge; express
      notification; announcement; warning.

            I . . . have given him notice that the Duke of
            Cornwall and Regan his duchess will be here. --Shak.

   3. An announcement, often accompanied by comments or remarks;
      as, book notices; theatrical notices.

   4. A writing communicating information or warning.

   5. Attention; respectful treatment; civility.

   {To take notice of}, to perceive especially; to observe or
      treat with particular attention.

   Syn: Attention; regard; remark; note; heed; consideration;
        respect; civility; intelligence; advice; news.

Notice \No"tice\, v. t. [imp. & p. p. {Noticed}; p. pr. & vb. n.
   {Noticing}.]
   1. To observe; to see to mark; to take note of; to heed; to
      pay attention to.

   2. To show that one has observed; to take public note of;
      remark upon; to make comments on; to refer to; as, to
      notice a book.

            This plant deserves to be noticed in this place.
                                                  --Tooke.

            Another circumstance was noticed in connection with
            the suggestion last discussed.        --Sir W.
                                                  Hamilton.

   3. To treat with attention and civility; as, to notice
      strangers.

   Syn: To remark; observe; perceive; see; mark; note; mind;
        regard; heed; mention. See {Remark}.

Source : WordNet®

notice
     n 1: an announcement containing information about a future event;
          "you didn't give me enough notice"
     2: the act of noticing or paying attention; "he escaped the
        notice of the police" [syn: {observation}, {observance}]
     3: a request for payment; "the notification stated the grace
        period and the penalties for defaulting" [syn: {notification}]
     4: advance notification (usually written) of the intention to
        withdraw from an arrangement or contract; "we received a
        notice to vacate the premises"; "he gave notice two months
        before he moved"
     5: a sign posted in a public place as an advertisement; "a
        poster advertised the coming attractions" [syn: {poster},
        {posting}, {placard}, {bill}, {card}]
     6: polite or favorable attention; "his hard work soon attracted
        the teacher's notice"
     7: a short critical review; "the play received good notices"

notice
     v 1: discover or determine the existence, presence, or fact of;
          "She detected high levels of lead in her drinking
          water"; "We found traces of lead in the paint" [syn: {detect},
           {observe}, {find}, {discover}]
     2: notice or perceive; "She noted that someone was following
        her"; "mark my words" [syn: {mark}, {note}] [ant: {ignore}]
     3: make or write a comment on; "he commented the paper of his
        colleague" [syn: {comment}, {remark}, {point out}]
     4: express recognition of the presence or existence of, or
        acquaintance with; "He never acknowledges his colleagues
        when they run into him in the hallway"; "She acknowledged
        his complement with a smile"; "it is important to
        acknowledge the work of others in one's own writing" [syn:
         {acknowledge}]