dissertate/ˈdɪsəteɪt/EtymologyFirst attested in 1766; borrowed from Latin dissertātus, perfect passive participle of dissertō (“to argue, discuss”) (see -ate (verb-forming suffix)), frequentative of disserō. Doublet of dissert.verbTo make a dissertation; to discourse.“In fact, if a miracle ever sat up and slapped him in the face over his small beer and muffin he'd […] dissertate in Latin on the experiential impossibility of its existence.”To write one's dissertation.“Mark stayed up until 2 a.m. dissertating last night.”