ignite

verb4

1. •
   To set fire to (something), to light (something)
2. •
   To commence burning.
3. •
   To spark off (something), to trigger

   • Their blend of concert harp, vibes, bass and Latin percussion ignited much of the audience. — 1980
4. •
   To subject to the action of intense heat; to heat strongly; often said of incombustible or infusible substances.