consummation

Etymology

From Latin cōnsummātiō.

noun

1. The act of consummating, or the state of being consummated; the state of being completed; completion.
   The opening of the extension from Brentwood to Colchester took place on March 29, 1843, when it was reported that at Colchester "the town had literally turned out its population to witness the consummation of the hopes and the fears of alike friends and opponents." 1944 May and June, “Notes and News: The Eastern Counties Railway”, in Railway Magazine, page 182
   It was the consummation of plans designed on Tufton Street, and of an alliance with Ms. Truss stretching back years. Under her watch, Britain has become a libertarian laboratory. 2022-10-06, Sam Bright, “Meet the Shadowy Groups Behind Liz Truss”, in The New York Times, →ISSN
2. The first act of sexual intercourse in a relationship, particularly the first such act following marriage.
   The consummation of marriage involves the mightiest issues of life and is the most holy and sacred right recognized by man, and it is the Balm of Gilead for many ills. Masturbation or prostitution soon blight the brightest prospects a young man may have. 1920, B. G. Jefferis, J. L. Nichols, “The Advantages of Wedlock”, in Searchlights on Health
3. The achievement of perfection.
4. Termination; the end (as of the world or of life); an end or resulting state.
   It may be supposed that from the spread of information all real danger from ignorance is past. Not so, good reader, that is a consummation as yet "devoutly to be wished." 1880, William Blades, The Enemies of Books, page 87
5. (law) The date at which the mortgagor becomes contractually obligated to the mortgagee in a real estate transaction.