svezati

1. to tie; to tie up
   Svezala je kosu u rep i izašla. — She tied her hair in a ponytail and went out.
   Svezao je psa ispred prodavnice. — He tied the dog up in front of the shop.
2. (of a person) to bind; to tie up
   Lopovi su svezali čuvara i pobegli. — The robbers tied up the guard and ran away.
3. (svezati se, with a seatbelt) to fasten one's seatbelt; to buckle up
   Sveži se, krećemo! — Buckle up, we're off!

In everyday speech "vezati" is more frequent.