IPA: /ˈmænɪˌfoʊldnəs/
KK: /ˈmænɪˌfoʊldnəs/
The quality or state of being manifold; having many different forms, elements, or aspects.
The manifoldness of opinions in the discussion enriched the debate.
Manifoldness is formed from "manifold" (from Old English "manigfeald", meaning many-fold or having many forms) and the suffix "-ness" (meaning the state or quality of). The word refers to the quality of being many or varied.
Think of 'many-fold' to remember that 'manifoldness' means the quality of having many forms or varieties.