the act, process, or fact of descending.

a downward inclination or slope.

a passage or stairway leading down.

derivation from an ancestor; lineage; extraction.

any passing from higher to lower in degree or state; decline.

a sudden raid or hostile attack.

Law . transmission of real property by intestate succession.

noun

ascension , ascent , elevation , increase , rise , upgrade , improvement

noun

cave-in , coast , coming down , crash , declension , declination , decline , declivity , dip , downgrade , droop , drop , drop-off , fall , falling , grade , gradient , header , hill , inclination , incline , landslide , plummeting , plunge , plunging , precipitation , prolapse , sag , settlement , sinkage , sinking , slant , slide , slip , slope , swoop , tailspin , topple , tumble , blood , extraction , family , family tree , genealogy , heredity , lineage , origin , parentage , pedigree , relationship , abasement , anticlimax , cadence , comedown , debasement , decadence , degradation , discomfiture , down , downcome , downfall , lapse , pathos , slump , advance , foray , incursion , invasion , pounce , raid , pitch , birth , bloodline , line , seed , stock , dive , downslide , downswing , downtrend , downturn , nosedive , skid , ancestry , assault , bathos , breeding , chute , derivation , descension , dismounting , escarpment , generation , issue , onslaught , scarp