perspicientia
From LSJ
μέγα γὰρ τὸ τῆς θαλάσσης κράτος → great is the power of the country that controls the sea, control of the sea is a great thing, the dominion of the sea is a great matter, the rule of the sea is a great matter, the rule of the sea is indeed a great matter, control of the sea is a paramount advantage
Latin > English (Lewis & Short)
perspĭcĭentĭa: ae, f. id.,
I a full perception or knowledge of a thing: veri, Cic. Off. 1, 5, 15.