uploviti

1. (of a ship) to sail into
   Brod je uplovio u luku rano ujutru. — The ship sailed into the harbour early in the morning.
2. humor. (figurative, + u + acc.) to enter; to embark on
   Prošle godine su uplovili u bračne vode. — Last year they tied the knot.
   Uplovio je u svet biznisa sa dvadeset godina. — He embarked on the business world at twenty.

Used with u + accusative: uploviti u luku.