rigorously

adv

1. In a rigorous manner.

   “But some discussion of the complex relationship between “allohistory” and sf is appropriate here, as the genres overlap in certain ways. Classical allohistory— such as Trevelyan's "What if Napoleon had won the Battle of Waterloo?" and Churchill's "If Lee had not won the Battle of Gettysburg" —is a rigorously consistent thought-experiment in historical causality.”

   “Like all the examiners, Gupta was rigorously trained by four sighted trainers who taught her about the female body, in particular the anatomy of the breast.”