1. (verb)ignite, light cause to start burning; subject to fire or greatheat "Great heat can ignite almost any dry matter"; "Light a cigarette"
2. (verb)erupt, ignite, catch fire, take fire, combust, conflagrate start to burn or burst into flames
"Marsh gases ignited suddenly"; "The oily rags combusted spontaneously"
3. (verb)inflame, stir up, wake, ignite, heat, fire up 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"