(n) degree , grade , 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"
(n) grade , level, tier (a relative position or degree of value in a graded group) "lumber of the highest grade"
(n) degree , level, stage , point (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?"
(n) level (height above ground) "the water reached ankle level"; "the pictures were at the same level"
(n) level, spirit level (indicator that establishes the horizontal when a bubble is centered in a tube of liquid)
(n) horizontal surface , level (a flat surface at right angles to a plumb line) "park the car on the level"
(n) floor , level, storey , story (a structure consisting of a room or set of rooms at a single position along a vertical scale) "what level is the office on?"
(n) level, layer , stratum (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"
Verb
(v) level (aim at) "level criticism or charges at somebody"
(v) charge , level, point (direct into a position for use) "point a gun"; "He charged his weapon at me"
(v) level (talk frankly with; lay it on the line) "I have to level with you"
(v) level, level off (become level or even) "The ground levelled off"
Adjective
(adj) flat , level, plane (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"
(adj) level, unwavering (not showing abrupt variations) "spoke in a level voice"; "she gave him a level look"- Louis Auchincloss
(adj) level (being on a precise horizontal plane) "a billiard table must be level"
(adj) level (oriented at right angles to the plumb) "the picture is level"
(adj) tied , even , level (of the score in a contest) "the score is tied"