Wiktionary
nonintimidating
a. Not intimidating.
Usage examples of "nonintimidating".
Carrying the rank of captain lent her a measure of nonintimidating authority, while her ethnic origin and the political background it implied might lead them to believe she'd be sympathetic with their discontents, since she was ideologically suspect simply by being what she was.
Whoever had chosen them had done an excellent job: they were professional, experienced, nonpartisan, and classy in a nonintimidating way.