old man (n.)
- antediluvian
- antique
- beau
- benedict
- boyfriend
- cavalier
- centenarian
- conservative
- dad
- daddy
- dodo
- dotard
- elder
- esquire
- father
- fellow
- flame
- fogy
- fossil
- fud
- fuddy-duddy
- gaffer
- gallant
- geezer
- genitor
- gigolo
- goodman
- governor
- gramps
- grandfather
- grandpa
- granny
- graybeard
- has-been
- husband
- inamorato
- man
- matriarch
- mossback
- necker
- nonagenarian
- octogenarian
- old-timer
- older
- oldster
- pa
- pantaloon
- pap
- papa
- pater
- paterfamilias
- patriarch
- petter
- philanderer
- pop
- pops
- presbyter
- reactionary
- relic
- seducer
- septuagenarian
- sexagenarian
- sheik
- sire
- square
- squire
- starets
- stepfather
- swain
- traditionalist
- veteran