sagaciousEnglishMerriam-Webster Dictionaryclass='pos' id='pos-1'>fuel noun Synonyms (Entry 1 of 2) something with a usable capacity for doing work //such nonrenewable fuels as coal, petroleum, and natural gasSynonyms energy, powerRelated Words kindling, propellant (also propellent)forceverb Synonyms & Antonyms (Entry 2 of 2) as in push, chargeSynonyms & Near Synonyms charge, electrify, energize, fire, generate, power, pushkick over, turn overdischarge, launch, release, switch, tripactivate, actuate, crank (up), drive, move, run, set off, spark, start, touch off, trigger, turn onreactivate, rechargearouse, excite, jump-start, kick-start, stimulate, vitalizeignite, incite, instigate, provoke, quicken, stir upaccelerate, catalyze, speed (up), step upAntonyms & Near Antonyms cut, cut out, deactivate, kill, shut off, turn offarrest, brake, check, cut off, draw up, halt, jam, stall, stick, stopdecelerate, repress, slow, stunt, suppress