Wiktionary
untroublesome
a. Not troublesome.
Usage examples of "untroublesome".
He found this feeling untroublesome, his companionship with Reacher unlabored.
She owed him a great deal for that and she resolved to try to be a dutiful and untroublesome wife.
Then The Shadow affixed it to his back, and the satchel had become an untroublesome burden.
So once society was conditioned into being untroublesome, its traits would automatically be passed on, which would enable us, its rightful rulers, to govern unthreatened and effectively, without the inconvenience of having to indoctrinate every generation afresh.