zanos

1. enthusiasm; fervor
   Pričao je o svom projektu sa mnogo zanosa. — He talked about his project with great enthusiasm.
2. rapture; ecstasy
   Publika je u zanosu pratila koncert. — The audience followed the concert in rapture.
   U zanosu ljubavi nije video njene mane. — Carried away by love, he didn't see her flaws.

Often used in the phrases "u zanosu" and "sa zanosom".