Final answer:
Collegiality is the term that describes the sense of collaboration, mutual respect, and working together in the Senate.
Step-by-step explanation:
The term that describes the sense of collaboration, mutual respect, and working together that is typically associated with the Senate is Collegiality. Collegiality refers to the cooperative relationship among senators, where they work together towards common goals and show respect for each other's opinions. This sense of collegiality helps create a productive and efficient legislative body.