antiqued

too old to be useful

centenarian

someone at least one hundred years old

fledgling

inexperienced; untried

frail

physically weak or delicate

gereatrics

the medical study of the elderly

infantile

referring to an infant or to that stage of life

longevity

long life or a long time spend at a job

nascent

just coming into existence

puerile

childish; immature

venerable

worthy of respect due to age or dignity

altruism

unselfish concern for others

benefactor

a person who gives aid

benign

kind and gentle

bountiful

abundant; plentiful

civility

politeness

exemplary

worthy of imitation; admirable

humanitarian

one who improves human welfare

induldge

to give in to wishes or desires

rectify

to set right