[1] : The Collaborative International Dictionary of English v.0.48

fuel \fu"el\, v. t.
   1. to feed with fuel. obs.
      1913 webster

            never, alas i the dreadful name,
            that fuels the infernal flame.        --cowley.
      1913 webster

   2. to store or furnish with fuel or firing. obs.
      1913 webster

            well watered and well fueled.         --sir h.
                                                  wotton.
      1913 webster

[2] : The Collaborative International Dictionary of English v.0.48

fuel \fu"el\, n. of. fouail, fuail, or fouaille, fuaille, ll.
   focalium, focale, fr. l. focus hearth, fireplace, in ll.,
   fire. see focus. formerly written also fewel.
   1. any matter used to produce heat by burning; that which
      feeds fire; combustible matter used for fires, as wood,
      coal, peat, etc.
      1913 webster

   2. anything that serves to feed or increase passion or
      excitement.
      1913 webster

   artificial fuel, fuel consisting of small particles, as
      coal dust, sawdust, etc., consolidated into lumps or
      blocks.
      1913 webster
see also:
focus fewel. artificial fuel 

[3] : WordNet (r) 2.0

fuel
     n : a substance that can be consumed to produce energy; "more
         fuel is needed during the winter months"; "they developed
         alternative fuels for aircraft"
     v 1: provide with a combustible substance that provides emergy;
          "fuel aircraft, ships, and cars"
     2: provide with fuel; "oil fires the furnace" syn: fire
     3: take in fuel, as of a ship; "the tanker fueled in bahrain"
     4: stimulate; "fuel the debate on creationism"
     also: fuelling, fuelled
see also:
fire fuelling fuelled 

[4] : Moby Thesaurus II by Grady Ward, 1.0

54 moby thesaurus words for "fuel":
   ammunition, bunker, cater, charge, coal, combustible, detonate,
   encourage, encouragement, exacerbate, excite, exhaust, explode,
   feed, fill up, food, forage, fossil fuel, fuel up, fulminate, gas,
   gas up, incite, incitement, inflame, jet propulsion, kindling,
   liquid oxygen, nourish, nourishment, nuclear fuel, nutriment,
   nutrition, oil, propellant, propulsion charge, provender,
   provision, provocation, provoke, purvey, reaction propulsion,
   refuel, rocket propulsion, sell, stimulate, stimulus, stoke,
   sustain, sustenance, thrust, tinder, top off, victual

[5] : Easton's 1897 Bible Dictionary

fuel
   almost every kind of combustible matter was used for fuel, such
   as the withered stalks of herbs matt. 6:30, thorns ps. 58:9;
   eccl. 7:6, animal excrements ezek. 4:12-15; 15:4, 6; 21:32.
   wood or charcoal is much used still in all the towns of syria
   and egypt. it is largely brought from the region of hebron to
   jerusalem. see coal.
   
see also:
coal 

Fuel >> F Words
Fuel, definition of term: Fuel
fuel_pag1.html

Fuel Up >> F Words
Fuel Up, definition of term: Fuel Up
fuel+up_pag1.html

Fuel Oil >> F Words
Fuel Oil, definition of term: Fuel Oil
fuel+oil_pag1.html

Fuel Cell >> F Words
Fuel Cell, definition of term: Fuel Cell
fuel+cell_pag1.html

Rocket Fuel >> R Words
Rocket Fuel, definition of term: Rocket Fuel
rocket+fuel_pag1.html

Fossil Fuel >> F Words
Fossil Fuel, definition of term: Fossil Fuel
fossil+fuel_pag1.html

Diesel Fuel >> D Words
Diesel Fuel, definition of term: Diesel Fuel
diesel+fuel_pag1.html