confrontation

noun

1.
a bold challenge
Derived from:
confront confrontational
2.
discord resulting from a clash of ideas or opinions
Derived from:
confrontational
3.
a hostile disagreement face-to-face
encounter face-off showdown
Derived from:
confront confrontational
4.
the act of hostile groups opposing each other
wither opposition
Derived from:
confront
5.
a focussed comparison; bringing together for a careful comparison
Derived from:
confront