(v): undergo a transformation or a change of position or action
(v): refuse to accept
(v): show unwillingness towards
(v): show a response or a reaction to something
(v): grow smaller
(v): decrease in size, extent, or range
(v): go down
(v): to fall vertically
(v): go down in value
(v): move downward and lower, but not necessarily all the way
(v): inflect for number, gender, case, etc., "in many languages, speakers decline nouns, pronouns, and adjectives"
(v): change the form of a word in accordance as required by the grammatical rules of the language
(n): change toward something smaller or lower
(n): a process of becoming smaller or shorter
(n): a condition inferior to an earlier condition; a gradual falling off from a better state
(n): a state at a particular time
(n): a gradual decrease; as of stored charge or current
(n): a process of becoming smaller or shorter
(n): a downward slope or bend
(n): an elevated geological formation