level

a position on a scale of intensity or amount or quality; "a moderate grade of intelligence"; "a high level of care is required"; "it is all a matter of degree"

a relative position or degree of value in a graded group; "lumber of the highest grade"

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?"

height above ground; "the water reached ankle level"; "the pictures were at the same level"

indicator that establishes the horizontal when a bubble is centered in a tube of liquid

a flat surface at right angles to a plumb line; "park the car on the level"

a structure consisting of a room or set of rooms at a single position along a vertical scale; "what level is the office on?"

aim at; "level criticism or charges at somebody"

tear down so as to make flat with the ground; "The building was levelled"

make level or straight; "level the ground"

direct into a position for use; "point a gun"; "He charged his weapon at me"

become level or even; "The ground levelled off"

having a surface without slope, tilt in which no part is higher or lower than another; "a flat desk"; "acres of level farmland"; "a plane surface"; "skirts sewn with fine flat seams"

not showing abrupt variations; "spoke in a level voice"; "she gave him a level look"- Louis Auchincloss

being on a precise horizontal plane; "a billiard table must be level"