encounter
/in-ˈkau̇n-tər/
verb
to meet as an adversary or enemy
to engage in conflict with
to come upon face-to-face
noun
a meeting between hostile factions or persons : a sudden often violent clash
a chance meeting
a particular kind of meeting or experience with another person
an encounter between the police and demonstrators
noun
a usually unstructured group that seeks to develop the capacity of the individual to express feelings and to form emotional ties by unrestrained confrontation of individuals