1. introduced or began with preliminary remarks or statements
Usage: past tense of preface

Examples

• She prefaced her speech with a brief thank you to the organizers.
• The author prefaced the book with an explanation of his research methods.
• He prefaced his criticism with praise for the team’s effort.
• The professor prefaced the lecture with a review of last week’s material.
• The CEO prefaced the announcement with remarks about company values.
• The director prefaced the film screening with comments about its historical context.