1. serving as an introduction or preliminary to something; preceding as a prelude
Usage: present participle of prelude

Examples

• The gentle rain was preluding the storm that would arrive later.
• Her nervous laughter was preluding an important announcement.
• The orchestra’s soft notes were preluding the main symphony.
• Dark clouds were preluding the approaching thunderstorm.
• The teacher’s serious tone was preluding a difficult discussion.
• The rustling leaves were preluding the arrival of autumn.