The characteristics, role, or position of a senator.(noun)
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Use "senatorship" in a sentence
"The State House at Trenton on the night previous to the balloting for the senatorship was a place of feverish activity."
"For the winning of the senatorship was the insignificant part of what he had undertaken; his momentous charge was to maintain a grand moral crusade, to stimulate and to vindicate a great uprising in the cause of humanity and of justice."
"Why, because he accepted an appointment from a duly elected Governor for a senatorship, from the State of Illinois."