Complements

A protective substance that exists in the serum or other bodily fluid and is capable of killing microorganisms; complement.

Something (or someone) that completes; the consummation.

The act of completing something, or the fact of being complete; completion, completeness, fulfilment.

The totality, the full amount or number which completes something.

Something which completes one's equipment, dress etc.; an accessory.

To complete, to bring to perfection, to make whole.

"We believe your addition will complement the team."

To provide what the partner lacks and lack what the partner provides, thus forming part of a whole.

"I believe our talents really complement each other."

To change a voltage, number, color, etc. to its complement.

Old form of compliment

A good whose appeal increases with the popularity of its complement