1. the act of making a solemn promise or pledge, especially in marriage
Usage: formal; archaic

Examples

• The plighting of their troth took place in a small chapel.
• Medieval ceremonies often included the plighting of oaths between lords and vassals.
• The plighting of faith was considered sacred and binding.
• Their plighting of loyalty to each other lasted a lifetime.
• The ancient ritual involved the plighting of vows before witnesses.