ecstasy (sometimes extreme or over-the-top, to the point of ecstasy) n. jouissance

[French. This word, often, but not necessarily, has a sexual connotation]

The tensions between lightness and seriousness, between the predictable and the unforeseen, weave themselves together constantly in Knott’s poems. Dark and death-obsessed as they are, so too do they possess an unmistakable jouissance — a kind of poetic [you only live once] expressed through wordplay. (Kathleen Rooney, An Outsider Who Courted Contradictions,” The New York Times, 04/07/2017.)

This word, when used in the above sense, can also be a synonym for joy, bliss, happiness, delight, pleasure and rapture