2con·sum·mate 
/ˈkɑ:nsəˌmeɪt/ verb
con·sum·mates; con·sum·mat·ed; con·sum·mat·ing /ˈkɑ:nsəˌmeɪt/ verb [+ obj] formal 1 : to make (a marriage or romantic relationship) complete by having sex
▪ They were married for three months before the marriage was consummated. [=before they had sex] 2 : to make (something) perfect or complete
▪ consummate an alliance ▪ The bargaining process went on for a few days, but the deal was never consummated. ▪ Their happiness was consummated when their son was born.
▪ They were married for three months before the marriage was consummated. [=before they had sex]
▪ consummate an alliance ▪ The bargaining process went on for a few days, but the deal was never consummated. ▪ Their happiness was consummated when their son was born.
— con·sum·ma·tion /ˌkɑ:nsəˈmeɪʃən/ noun [noncount]
▪ Without consummation, the marriage can be annulled by the church. ▪ the consummation of their happiness
/ˌkɑ:nsəˈmeɪʃən/ noun [noncount] ▪ Without consummation, the marriage can be annulled by the church. ▪ the consummation of their happiness
