Sentence:  Everyone is ambivalent about his profession , if he has practised it long enough , but there were still moments when he loved the stage and all those unseen people out there , who might cheer you or boo you , but that was largely , though not <WSD>entirely</WSD> , up to you . 
Meaning of the word marked with <WSD> tags:  to a complete degree or to the full or entire extent (`whole' is often used informally for `wholly')