Fuel
WordNet
noun
(1) A substance that can be consumed to produce energy
"More fuel is needed during the winter months"
"They developed alternative fuels for aircraft"
verb
(2) Stimulate
"Fuel the debate on creationism"
(3) Take in fuel, as of a ship
"The tanker fueled in Bahrain"
(4) Provide with a combustible substance that provides energy
"Fuel aircraft, ships, and cars"
(5) Provide with fuel
"Oil fires the furnace"