privately
adverb
[ ˈprʌɪvɪtli ]
• in a private way, manner, or capacity.
• "I must insist we speak privately"
Similar:
in private,
with no one else present,
behind closed doors,
between ourselves,
confidentially,
in confidence,
discreetly,
in secret,
secretly,
entre nous,
in camera,
out of the public eye,
out of public view,
in seclusion,
in solitude,
alone,
without being disturbed,
without being interrupted,