The fulfilment of destiny. (Turkish, gismet, a lot.)
“The word kismet, which he scarcely comprehended before, seems now to be fraught with ... [meaning]. This is kismet; this is the fulfilment of destiny; this is to love.” —Nineteenth Century, February, 1892, p. 209.
Source: Dictionary of Phrase and Fable, E. Cobham Brewer, 1894