1. making something complete or perfect by adding what is missing or needed
Usage: present participle of complement
2. combining well with something to form a pleasing or balanced whole
Usage: present participle of complement

Examples

• The red wine is complementing the steak perfectly.
• Her skills are complementing his expertise on this project.
• The blue curtains are complementing the yellow walls beautifully.
• The sauce is complementing the fish dish nicely.
• His calm personality is complementing her energetic nature.
• The new software is complementing our existing systems well.