[1] : The Collaborative International Dictionary of English v.0.48

decadence \deca"dence\, decadency \deca"dency\, n. ll.
   decadentia; l. de- + cadere to fall: cf. f. d'ecadence. see
   decay.
   a falling away; decay; deterioration; declension. "the old
   castle, where the family lived in their decadence." --sir w.
   scott.
   1913 webster
see also:
decay 

[2] : WordNet (r) 2.0

decadency
     n : the state of being degenerate in mental or moral qualities
         syn: degeneracy, degeneration, decadence
see also:
degeneracy degeneration decadence 

Decadency >> D Words
Decadency, definition of term: Decadency
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