Definitions
1.verbTo group into one or more sets of two."The wedding guests were paired boy/girl and groom's party/bride's party."
2.verbTo bring two (animals, notably dogs) together for mating.
3.verbTo engage (oneself) with another of opposite opinions not to vote on a particular question or class of questions.
4.verbTo suit; to fit, as a counterpart.
5.verbTo impair, to make worse.
6.verbTo become worse, to deteriorate.