aging

(noun) acquiring desirable qualities by being left undisturbed for some time. Synonyms: ripening, ageing.

(noun) the organic process of growing older and showing the effects of increasing age. Synonyms: ageing, senescence.

(verb) begin to seem older; get older. Synonyms: age. Example: "The death of his wife caused him to age fast."

(verb) grow old or older. Synonyms: senesce, age, get on, mature, maturate. Examples: "She aged gracefully." "We age every day--what a depressing thought!." "Young men senesce."

(verb) make older. Synonyms: age. Example: "The death of his child aged him tremendously."

(adj) growing old. Synonyms: ageing, senescent.