Often, a conditioned response may be elicited not only by the original CS, but by a similar one as well. This is known as stimulus:

Question

Quizplus · Accepted Answer

Stimulus generalization occurs when a conditioned response is elicited not only by the original conditioned stimulus, but also by stimuli that are similar to it. This means that the response has been generalized to other similar stimuli, rather than being specific to the original stimulus.

Often, a Conditioned Response May Be Elicited Not Only by the Original