G3524–νηφαλέος–nēphaleos

it behoveth, therefore, the overseer to be blameless, of one wife a husband, vigilant, sober, decent, a friend of strangers, apt to teach,

νηφάλιον, nēphalion “sober,”

Women -- in like manner grave, not false accusers, vigilant, faithful in all things.

νηφαλίους, nēphalious “clear-minded,”

aged men to be temperate, grave, sober, sound in the faith, in the love, in the endurance;

νηφαλίους nēphalious “sober-minded”