Sentence:  For example, the "pattern <WSD>associator</WSD>" and the "auto <WSD>associator</WSD>" are two common architectures. / The purpose of the pattern <WSD>associator</WSD> is to perform paired associate learning; that is, to produce the right output stimulus for a given input stimulus. 
Meaning of the word marked with <WSD> tags:  A person who or thing that associates.