Sentence:  Only when the collage had been exhaustively translated into oil , and <WSD>transformed</WSD> by this translation , did Cubism become an affair of positive color and flat , interlocking silhouettes whose legibility and placement created allusions to , if not the illusion of , unmistakable three-dimensional identities . 
Meaning of the word marked with <WSD> tags:  change or alter in form, appearance, or nature