meekly; obediently; submissively; quietly; like a lamb
(an) adult their age (should, should not, etc.); grown man (woman); person who is old enough (to know better)
(an) adult their age (should, should not, etc.); grown man (woman); person who is old enough (to know better)
grown man; grown woman; grown-up person; sensible person
pretext for not revealing something (e.g. actual reason for one's failure, vested interest, etc.)
handling things like an adult; behaving like a mature grown-up
for use by adults; for adults
gentle; quiet; demure; sober; mild-mannered; meek
adult toy shop (i.e. a sex shop)
precocious; unchildlike; early-blooming