Sentence:  As one would surmise , the procedure , however , could be repeated with the same object or with the same type of object often enough , so that the corresponding visual blots and the merest beginning of the tracing movement would provide clues as to the actual shape , which the patient then immediately could determine by a kind of <WSD>inference</WSD> . 
Meaning of the word marked with <WSD> tags:  the reasoning involved in drawing a conclusion or making a logical judgment on the basis of circumstantial evidence and prior conclusions rather than on the basis of direct observation