4. Motion with reference to direction
[Nouns] lowering; depression; dip (concavity) [more]; abasement; detrusion; reduction.
overthrow, overset, overturn; upset; prostration, subversion, precipitation.
bow; courtesy, curtsy; genuflexion, genuflection, kowtow, obeisance, salaam.
[Verbs] depress, lower, let down, take down, let down a peg, take down a peg; cast; let drop, let fall; sink, debase, bring low, abase, reduce, detrude, pitch, precipitate.
overthrow, overturn, overset; upset, subvert, prostate, level, fell; cast down, take down, throw down, fling down, dash down, pull down, cut down, knock down, hew down; rase to the ground; trample in the dust, pull about one's ears.
sit, sit down; couch, squat, crouch, stoop, bend, bow; courtesy, curtsy; bob, duck, dip, kneel; bend the knee, bow the knee, bend the head, bow the head; cower; recline (be horizontal) [more].
[Adjectives] depressed; at a low ebb; prostrate (horizontal) [more]; detrusive.