parley
opposition
beard the lion in his den
anticonfrontational
showdown
face-off
encounter
face off
confrontation
bicker
engage
witherward
adverse
clash
confrontment
standoff
conflicting
unfriendly
hostile
foe
re-encounter
confront
nonconfrontation
intelligence operation
head-on
intelligence
intelligence activity
battlefront
big bad
fork
nose-to-nose
war
confrontationism
enemy combatant
confrontative
confrontationist
antagonist
cat-and-mouse
adversarially
at grips
prehostility
Quislingism
agonistic
anticonflict
nemetic
plead
inroad
anti-
oppositionality
contradiction