Dissertate

dis′er-tāt, v.i. to discourse—( arch. ) Di ert′ .— n. Di ertā′tion , a formal discourse: a treatise.— adjs. Di ertā′tional , Di ertā′tive .— n. Dis′sertātor . [Fr.,—L. di ertāre , inten. of di erĕre , to discu — dis , serĕre , to put in a row.]