(v.) To present poorly thought-out ideas, complete fantasy, or sheer speculation as authoritative and indisputable.
He was known to factulate on a number of topics that he knew little about, confidently making random, incorrect statements on well understood subjects, such as seafood transportation and batterytechnology.
To act in a manner in which you are very unsettled. Going beyond your normal actions to keep your mind and bodybusy when you are uncomfortable or restless.