1. relating to or befitting a senator or senate
2. having the dignity, gravity, or stateliness associated with a senator

Examples

• The senatorial committee met to discuss the new legislation.
• She carried herself with senatorial dignity during the debate.
• His senatorial duties required frequent travel to the capital.
• The candidate’s senatorial campaign focused on healthcare reform.
• He spoke with senatorial authority on matters of foreign policy.
• The senatorial race was closely watched by political analysts.
• Her senatorial bearing impressed everyone at the formal dinner.