1. the flat surfaces of a cut gem or crystal
2. different aspects or features of something complex

Examples

• The diamond’s many facets caught the light beautifully.
• Each facet of the emerald was perfectly cut.
• We need to consider all facets of this problem.
• The novel explores different facets of human nature.
• Her personality has many interesting facets.
• The debate revealed new facets of the issue.
• The crystal’s facets reflected rainbow colors.