Wiktionary
untroubling
a. Not troubling.
Usage examples of "untroubling".
That task they should have allotted to some old hardened sinner like me, who would view and enjoy, and return untroubled and untroubling, not this vulnerable boy who surely can never else have been alone in a room with a woman since his mother let him be taken out of her arms.
The haze was thin and untroubling at first, not much more than a thickening of the air, a graying of the light.