1. officially announcing or making known a new law, rule, or decree
Usage: formal; legal/governmental contexts
2. spreading or promoting an idea, theory, or belief widely
Usage: formal

Examples

• The government is promulgating new safety regulations for factories.
• The university began promulgating its revised academic policies.
• Religious leaders were promulgating their teachings throughout the region.
• The organization is promulgating awareness about climate change.
• The court is promulgating new rules for civil procedures.
• Scientists are promulgating their research findings at conferences.