When you cheer and rile up a crowd, getting them excited, this is an example of when you enthuse the crowd.
When you go on and on about how excited you are about an upcoming movie, this is an example of when you enthuse.
Origin of enthuse
- Back-formation from enthusiasm
From American Heritage Dictionary of the English Language, 5th Edition
- First attested from 1827. Back-formation from enthusiasm, from Ancient Greek ἔνθεος (entheos, “possessed by a god”), from ἐν (en, “in”) + θεός (theos, “god”)