complements

noun
UK /ˈkɒmplɪmənts/
US /ˈkɑːmplɪmənts/

Things that go well together and make each other better.

The red sauce complements the pasta perfectly.


OTHER MEANINGS

2. Things that complete something or make it whole.

The two colors are complements on the color wheel.

3. Words that complete the meaning of a verb or subject in grammar.

In 'She is happy,' the word 'happy' is a complement.

4. The number of people or things needed to make a full set.

The ship had its full complement of crew.