The Collaborative International Dictionary
Many-sidedness
Many-sided \Ma"ny-sid`ed\, a.
Having many sides; -- said of figures. Hence, presenting many questions or subjects for consideration; as, a many-sided topic.
Interested in, and having an aptitude for, many unlike pursuits or objects of attention; versatile. [1913 Webster] -- Ma"ny-sid`ed*ness, n.
Wiktionary
many-sidedness
n. The fact or quality of having many sides or facets.
Usage examples of "many-sidedness".
The latter case is hitherto the most frequent, as, in the human mind, one-sidedness has always been the rule, and many-sidedness the exception.