Wiktionary
unsuspiciously
adv. In an unsuspicious way.
Usage examples of "unsuspiciously".
We had gone rather less than a quarter of a league when the sound of a little bell fell on our ears, a clear proof that there were flocks hard by, and looking about carefully to see if any were within view, we observed a young shepherd tranquilly and unsuspiciously trimming a stick with his knife at the foot of a cork tree.