Bas-relief
Sculpture whose features are somewhat raised against the background
Debase
To lower in quality, value, or dignity; to degrade
Declivity
Downward slope; the slope of a hill
Proclivity
A natural tendency or inclination
Leaven
Legerdemain
2. Any trickery or deception
Leverage
2. Power to influence; a position of strength
Levitate
To rise or float, to cause to rise, seemingly despite gravity
Levity
Lightness in speech or behavior, especially unbecoming jocularity; frivolity
Penchant
A strong inclination or liking
Ponderous
Imponderable
Unable to be assessed or measured precisely
Preponderant
Superior in number, force, power, or importance
Echelon
2. A level of command or authority
Transcendent
Going beyond the limits of ordinary experience