List of grandfather synonyms and grandfather related words.
Father Time, Methuselah, Nestor, Old Paar, centenarian, dotard, elder, gaffer, geezer, golden-ager, grampa, gramps, grandpa, grandsire, graybeard, great-grandfather, nonagenarian, octogenarian, old chap, old codger, old dog, old duffer, old geezer, old gent, old gentleman, old man, old party, old-timer, older, oldster, pantaloon, patriarch, presbyter, senior citizen, septuagenarian, sexagenarian, the quiet-voiced elders, venerable sir, veteran