Sentence:  At present conditioning is viewed as a special case of <WSD>associative</WSD> learning which provides an animal (and human being alike) with die ability to discover, memorize, retrieve, and use relationships between signals and reinforcers and also to control rewards and aversive events. 
Meaning of the word marked with <WSD> tags:  Pertaining to, resulting from, or characterised by association; capable of associating; tending to associate or unite.