Source : Webster's Revised Unabridged Dictionary (1913)

Confrontation \Con`fron*ta"tion\, n. [LL. confrontatio.]
   Act of confrontating. --H.Swinburne.

Source : WordNet®

confrontation
     n 1: a bold challenge
     2: discord resulting from a clash of ideas or opinions
     3: a hostile disagreement face-to-face [syn: {encounter}, {showdown},
         {face-off}]
     4: the act of opposing groups confronting each other; "the
        government was not ready for a confrontation with the
        unions"; "the invaders encountered stiff opposition" [syn:
         {opposition}]
     5: a focussed comparison; bringing together for a careful
        comparison