n. a single unit of verbal behavior (a verbal operant) that depends on other verbal behavior, and changes the effect on a listener. For example, in saying I think that is a cat the words I think indicate to the listener that the speaker is less than certain about the remaining verbal operands in the sentence. The is is also an autoclitic, indicating that the same stimulus is occasioning the words that and cat.
AUTOCLITIC: “An autoclitic sentence is one in which the words depend on each other and change the effect on a receiver.”