unmaniacal
/ʌnˌmænɪˈækəl/Definitions
1. adjective
Lacking or not characteristic of the quality of being maniacal, such as intense or extreme enthusiasm.
“The unmaniacal tone of the music made it seem almost soothing.”
2. adjective
Not characteristic of a maniac or having the quality of being maniacal.
“The artist’s unmaniacal style was praised for its subtlety and restraint.”