The advocacy of a republic as a means of government(noun)
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Use "republicanism" in a sentence
"Even the term republicanism is a coarse and conventional description of that sentiment which dominated his whole being, and which is the inspiration at once of his poetry and of his prose."
"What President Adams meant by republicanism is the system of liberty under law."
"Dallas, once a bastion of republicanism, is now a SOLID democratic town and county."