Sentence:  I stopped taking the sweets and condiments I had got from home. The mind having taken a different turn, the fondness for condiments wore away, and I now relished the boiled spinach which in Richmond tasted insipid, cooked without condiments. Many such experiments taught me that the real <WSD>seat</WSD> of taste was not the tongue but the mind. 
Meaning of the word marked with <WSD> tags:  The place occupied by anything, or where any person, thing or quality is situated or resides; a site.