HEREUPON Copy link • HEREUPON(1) In narratives, etc. (= upon this being said or done), hic or ibi (e.g., hic Laelius dixit, etc.): ad haec (to this; e.g., he replied, ad haec or adversus haec respondit). (2) This being done, inde: deinde (or dein): exinde (or exin; all denoting the following of one event or occurrence upon another): tum (then): quo facto (which being done). Upon this subject, etc.; e.g., to think or meditate hereupon, id meditari, cogitare.