1. setting something on fire; causing to burn
Usage: present participle of ignite
2. starting or triggering something suddenly
Usage: figurative use

Examples

• The match is igniting the campfire wood.
• She’s igniting the gas stove for dinner.
• The spark plug is igniting the fuel mixture.
• His speech is igniting passion in the crowd.
• The controversy is igniting debate nationwide.
• The coach’s words are igniting the team’s determination.