verbs
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"