con ‧ sum ‧ ma ‧ tion /ˌkɒnsəˈmeɪʃ ə n $ ˌkɑːn-/ BrE AmE noun [singular, uncountable] formal
1 . when people make a marriage or relationship complete by having sex
2 . the point at which something is complete or perfect SYN realization :
the consummation of his ambitions