CONFIDENTIALLY
confidentially
(adverb) in a confidential manner; “spoke to him intimately and confidentially”
Source: WordNet® 3.1
Etymology
Adverb
confidentially (comparative more confidentially, superlative most confidentially)
In a confidential manner.
Spoken of in a private manner.
Source: Wiktionary
Con`fi*den"tial*ly, adv.
Definition: In confidence; in reliance on secrecy.
CONFIDENTIAL
Con`fi*den"tial, a. Etym: [Cf. F. confidentiel.]
1. Enjoying, or treated with, confidence; trusted in; trustworthy;
as, a confidential servant or clerk.
2. Communicated in confidence; secret. "Confidential messages."
Burke. Confidential communication (Law) See Privileged communication,
under Privileged.
– Confidential creditors, those whose claims are of such a
character that they are entitled to be paid before other creditors.
– Confidential debts, debts incurred for borrowed money, and
regarded as having a claim to be paid before other debts. McElrath.
Source: Webster’s Unabridged Dictionary 1913 Edition