de múltiples aspectos

The following video provides you with the correct English pronunciation of the word "many-sided", to help you become a better English speaker.

polifacético

de muchos aspectos, de muchos lados, multilateral

multilateralidad

(adj.) = multifaceta.
Ex: In the end, whether public libraries are allowed to continue in their present depressed state or whether they will become a many-sided embodier and nourisher of a literate society's literacy, depends not on the standards discussed by the professionals, but on those willed by the public.