Verb
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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"
- stir up - fire up -
start to burn or burst into flames
"Marsh gases ignited suddenly"
"The oily rags combusted spontaneously"
- catch fire - take fire -
cause to start burning
subject to fire or great heat
"Great heat can ignite almost any dry matter"
"Light a cigarette"