The Collaborative International Dictionary
Innocuous \In*noc"u*ous\, a. [L. innocuus; in- not + nocuus hurtful, fr. nocere to hurt. See Innocent.] Harmless; producing no ill effect.
A patient, innocuous, innocent man.
--Burton.
-- In*noc"u*ous*ly, adv. -- In*noc"u*ous*ness, n.
Where the salt sea innocuously breaks.
--Wordsworth.
Wiktionary
adv. In an innocuous manner.
Usage examples of "innocuously".
An instructor had fired one out of the barrel of a mortar, and it had bounced innocuously over the ground.
After that, Pavel had phrased his questions to the cyberminds carefully and innocuously until, without giving away his purpose, he had become convinced that the rumors were fact.
Hitherto he had lived in so innocuously selfish, so puerilely playful, so inconceivably private and irresponsible a way.
These begin innocuously enough with headings such as “Arenas of Gentlemanly Debate” and “Unraveling the Greywacke,” but then proceed on to “The Greywacke Defended and Attacked,” “Reproofs and Recriminations,” “The Spread of Ugly Rumors,” “Weaver Recants His Heresy,” “Putting a Provincial in His Place,” and (in case there was any doubt that this was war) “Murchison Opens the Rhineland Campaign.