Here is the piece. If you can't say fornicate can you say copulate or if not that can you say co-habit? If not that would have to say consummate I suppose. Use your own good taste and judgment.
"She's a very charming and delightful creature," quoth Mr. Robert Sawyer, in reply; "and has only one fault that I know of, Ben. It happens, unfortunately, that that single blemish is a want of taste. She don't like me."
Confront a child, a puppy, and a kitten with a sudden danger; the child will turn instinctively for assistance, the puppy will grovel in abject submission, the kitten will brace its tiny body for a frantic resistance.