Sentence:  Evidence is plentiful that early and later also he has been <WSD>indebted</WSD> to the Gothic romancers , who deal in extravagant horror , to the symbolists writing at the end of the preceding century , and in particular to the stream-of-consciousness novelists , Henry James and James Joyce among them . 
Meaning of the word marked with <WSD> tags:  owing gratitude or recognition to another for help or favors etc