Synonyms for Priming (same or very similar meaning)
WordNet sense 1 (any igniter that is used to initiate the burning of a propellant):
fuse, fusee, fuze, primer, fuzee, primerWordNet sense 2 (the first or preliminary coat of paint or size applied to a surface):
ground, undercoat, flat coat, primer coat, priming coatFrom the ODE community, based on WordNetadd/edit