ignite

1. (transitive) to set fire to (something), to light (something)Synonyms: inflame, kindle, alight, conflagrate, fire, fire up, ignite, inflametransitive

2. (transitive) to spark off (something), to triggerExamples: "ignite curiosity"; "ignite someone's interest"; "Our observations on the way up had been mixed but the deep, crisp cold of the Peruvian night followed by a crystal clear dawn re-ignited our enthusiasm and sent us scampering across the frozen snow bowl […]"Synonyms: engender, provoke, abet, actuate, goose, send, sting, bring abouttransitive

3. (intransitive) to commence burning.Synonyms: catch fire, combust, go up in flames, catch on fire, catch fire, combust, conflagrate, fireintransitive

4. (chemistry, transitive) To subject to the action of intense heat; to heat strongly; often said of incombustible or infusible substances.Examples: "to ignite iron or platinum"transitive