Source : Webster's Revised Unabridged Dictionary (1913)

Compromise \Com"pro*mise\, v. t. [imp. & p. p. {Compromised}; p.
   pr. & vb. n. {Compromising}.] [From {Compromise}, n.; cf.
   {Compromit}.]
   1. To bind by mutual agreement; to agree. [Obs.]

            Laban and himself were compromised That all the
            eanlings which were streaked and pied Should fall as
            Jacob's hire.                         --Shak.

   2. To adjust and settle by mutual concessions; to compound.

            The controversy may easily be compromised. --Fuller.

   3. To pledge by some act or declaration; to endanger the
      life, reputation, etc., of, by some act which can not be
      recalled; to expose to suspicion.

            To pardon all who had been compromised in the late
            disturbances.                         --Motley.

Source : WordNet®

compromising
     adj 1: making or willing to make concessions; "loneliness tore
            through him...whenever he thought of...even the
            compromising Louis du Tillet" [syn: {conciliatory}, {flexible}]
            [ant: {uncompromising}]
     2: vulnerable to danger especially of discredit or suspicion;
        "she found herself in a compromising situation"