Answer: spark

AnswerCrossword Clue
SPARK

Kind of plug

SPARK

Instigate

SPARK

Catalyst

SPARK
Scintilla
SPARK
Fire starter
SPARKRoman candle emanation
SPARKPlug output
SPARKBit of fire
SPARKFire from a plug
SPARKBit of excitement
SPARKTouch off
SPARKFiery particle
SPARKBit of inspiration
SPARKCreative ...
SPARKElectric discharge
SPARKFlint striker's creation
SPARKStimulate
SPARKCreative inspiration
SPARK.. plug (auto part)
SPARKBirth of a notion
SPARKInspiration
SPARKBirth of an idea
SPARKIncite
SPARKKindle
SPARK... plug (engine part)
SPARKImpetus
SPARKA gallant.
SPARKGallant; beau.
SPARKRollicking fellow.
SPARKResult of steel on flint.
SPARKScintillate.
SPARKGo courting in the good old days.
SPARKFlash of light.
SPARKSmall, transient light.
SPARKFiery particle.
SPARKKindle into activity.
SPARKFire into activity.
SPARKWoo, rustic style.
SPARKBeau, old style.
SPARKBeau.