pun ‧ ish ‧ a ‧ ble /ˈpʌnɪʃəb ə l/ BrE AmE adjective
[ Word Family: adjective : ↑ punishable , ↑ punishing , ↑ unpunished , ↑ punitive ; verb : ↑ punish ; noun : ↑ punishment ]
in law, a punishable act can be punished:
a punishable offence
punishable by/with
a crime punishable by death