Sentence:  Synthetic Cubism began with Picasso alone , <WSD>late</WSD> in 1913 or early in 1914 ; this was the point at which he finally took the lead in Cubist innovation away from Braque , never again to relinquish it . 
Meaning of the word marked with <WSD> tags:  being or occurring at an advanced period of time or after a usual or expected time