Describes something having many sides, aspects, or uses; often applied to people, approaches, or objects.
He has multifaceted talents.
This problem needs to be examined from multiple angles.
多面的 also means 'many-sided' but emphasizes multiple facets of a single thing, while 多角的 stresses viewing something from different angles or involving multiple parties.
多面的 describes something with many facets or sides to consider, while 多元的 focuses on the coexistence of separate underlying systems or values.
Compound of 多面 (many sides) + 的 (-like, -ic). The exact historical derivation is uncertain, but the word follows a common pattern for forming adjectival nouns from Sino-Japanese roots.