à deux
intimate
homely
privately
in petto
have a quiet word
have a word in someone's ear
close-tiled
privy
private
privateness
esoteric
proprietary
nonprivate
in secret
private message
under the rose
secret
tête-à-tête
personal space
by-interest
interiority
preparatory school
powwow
personal life
prep school
personalness
turfdom
inderivatively
in confidence
knowing
off-the-record
self-direction
self-reliance
home school
self-sufficiency
autonomy
chamber
offline
autocephalous
confidential
selfishly
closeting
externalistically
hoard
solitarily
independently
inside
seminary
inwardly