conflagrate
1. [ verb ] cause to start burning
Synonyms: enkindle inflame kindle
Examples:

"The setting sun kindled the sky with oranges and reds"

Related terms: ignite rekindle ignition
2. [ verb ] start to burn or burst into flames
Synonyms: ignite catch_fire erupt combust take_fire
Examples:

"Marsh gases ignited suddenly" "The oily rags combusted spontaneously"

Related terms: change_state light_up catch blow_out burn ignition
Similar spelling:   conflate
  conflagration
  conflict