meeting; rendezvous; encounter; confluence
presence (e.g. of an observer); observation; observer; trading session (at an exchange)
common (e.g. fishery or hunting ground); commonage
in passing another (esp. colliding with oncoming traffic, bumping into a person); the moment two persons or objects meet
clandestine meeting (e.g. for lovers); rendezvous; tryst; secret meeting
childbirth with father of child present; delivery with husband present