① 多くの場合は女性、特に少女が男性との間で、金銭などを対価として飲食やデート、性行為などを行うこと。性行為または擬似性交などを行う場合は売春の婉曲語。
person one is dating; significant other; partner; boyfriend; girlfriend
serious relationship (esp. one with the prospect of marriage)
good at socializing; sociability; being a good mixer
as a matter of social courtesy
social circles; arena of (fashionable) society
social circles; arena of (fashionable) society