declension
     n 1: the inflection of nouns and pronouns and adjectives in
          Indo-European languages
     2: process of changing to an inferior state [syn: {deterioration},
         {decline in quality}, {worsening}]
     3: a downward slope or bend [syn: {descent}, {declivity}, {fall},
         {decline}, {declination}, {downslope}] [ant: {ascent}]
     4: a class of nouns or pronouns or adjectives in Indo-European
        languages having the same (or very similar) inflectional
        forms; "the first declension in Latin"
Source: WordNet® 2.0