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

level \lev"el\, v. t. imp.  p. p. leveled -e^ld or
   levelled; p. pr.  vb. n. leveling or levelling.
   1. to make level; to make horizontal; to bring to the
      condition of a level line or surface; hence, to make flat
      or even; as, to level a road, a walk, or a garden.
      1913 webster

   2. to bring to a lower level; to overthrow; to topple down;
      to reduce to a flat surface; to lower.
      1913 webster

            and their proud structures level with the ground.
                                                  --sandys.
      1913 webster

            he levels mountains and he raises plains. --dryden.
      1913 webster

   3. to bring to a horizontal position, as a gun; hence, to
      point in taking aim; to aim; to direct.
      1913 webster

            bertram de gordon, standing on the castle wall,
            leveled a quarrel out of a crossbow.  --stow.
      1913 webster

   4. figuratively, to bring to a common level or plane, in
      respect of rank, condition, character, privilege, etc.;
      as, to level all the ranks and conditions of men.
      1913 webster

   5. to adjust or adapt to a certain level; as, to level
      remarks to the capacity of children.
      1913 webster

            for all his mind on honor fixed is,
            to which he levels all his purposes.  --spenser.
      1913 webster
see also:
leveled levelled leveling levelling 

[2] : WordNet (r) 2.0

level
     adj 1: having a horizontal surface in which no part is higher or
            lower than another; "a flat desk"; "acres of level
            farmland"; "a plane surface" syn: flat, plane
     2: not showing abrupt variations; "spoke in a level voice";
        "she gave him a level look"- louis auchincloss syn: unwavering
     3: being on a precise horizontal plane; "a billiard table must
        be level"
     4: oriented at right angles to the plumb; "the picture is
        level"
     5: of the score in a contest; "the score is tied" syn: tiedp,
         even, levelp
     n 1: a position on a scale of intensity or amount or quality; "a
          moderate degree of intelligence"; "a high level of care
          is required"; "it is all a matter of degree" syn: degree,
           grade
     2: a relative position or degree of value in a graded group;
        "lumber of the highest grade" syn: grade, tier
     3: a specific identifiable position in a continuum or series or
        especially in a process; "a remarkable degree of
        frankness"; "at what stage are the social sciences?" syn:
         degree, stage, point
     4: height above ground; "the water reached ankle level"; "the
        pictures were at the same level"
     5: indicator that establishes the horizontal when a bubble is
        centered in a tube of liquid syn: spirit level
     6: a flat surface at right angles to a plumb line; "park the
        car on the level" syn: horizontal surface
     7: structure consisting of a room or set of rooms comprising a
        single level of a multilevel building; "what level is the
        office on?" syn: floor, storey, story
     8: an abstract place usually conceived as having depth; "a good
        actor communicates on several levels"; "a simile has at
        least two layers of meaning"; "the mind functions on many
        strata simultaneously" syn: layer, stratum
     v 1: aim at; "level criticism or charges at somebody"
     2: tear down so as to make flat with the ground; "the building
        was levelled" syn: raze, rase, dismantle, tear
        down, take down, pull down ant: raise
     3: make level or straight; "level the ground" syn: flush, even
        out, even
     4: direct into a position for use; "point a gun"; "he charged
        his weapon at me" syn: charge, point
     5: talk frankly with; lay it on the line; "i have to level with
        you"
     6: become level or even; "the ground levelled off" syn: level
        off
     also: levelling, levelled
see also:
flat plane unwavering tiedp even levelp 
degree grade tier stage point 
spirit level horizontal surface floor storey story 
layer stratum raze rase dismantle 
tear down take down pull down raise flush 
even out charge level off levelling levelled 

[3] : WordNet (r) 2.0

levelling
     see level
see also:
level 

Levelling >> L Words
Levelling, definition of term: Levelling
levelling_pag1.html