Ignite has 5 different meanings across 1 category:
Verb
cause to start burning; subject to fire or great heat
"Great heat can ignite almost any dry matter"
"Light a cigarette"
start to burn or burst into flames
"Marsh gases ignited suddenly"
"The oily rags combusted spontaneously"
arouse or excite feelings and passions
"The ostentatious way of living of the rich ignites the hatred of the poor"
"The refugees' fate stirred up compassion around the world"
"Wake old feelings of hatred"
start or maintain a fire in
"fire the furnace"
to set fire to (something), to light (something)
"He quickly ignited a small campfire to keep warm during the chilly night."