encounter

nouns

a minor short-term fight
a casual or unexpected convergence
"he still remembers their meeting in Paris"; "there was a brief encounter in the hallway"
a casual meeting with a person or thing
a hostile disagreement face-to-face

verbs

come together
"I'll probably see you at the meeting"; "How nice to see you again!"
come upon, as if by accident; meet with
"We find this idea in Plato"; "I happened upon the most wonderful bakery not very far from here"; "She chanced upon an interesting book in the bookstore the other day"
be beset by
"The project ran into numerous financial difficulties"
experience as a reaction
"My proposal met with much opposition"
contend against an opponent in a sport, game, or battle
"Princeton plays Yale this weekend"; "Charlie likes to play Mary"