versant

A gadget lover, Alexander is known to roll up his sleeves to become versant with the latest security technologies.

From Reuters ● May 26, 2013

I have heard from mariners and skilful pilots, much versant in the Indian seas, and have seen in their writings, that these seas contain 12,700 islands, inhabited or desert.

From A General History and Collection of Voyages and Travels — Volume 01 Arranged in Systematic Order: Forming a Complete History of the Origin and Progress of Navigation, Discovery, and Commerce, by Sea and Land, from the Earliest Ages to the Present Time by Robert Kerr

Little versant in their pursuits, though respectful to their genius, after mutual salutations, the divine passes on and pays an evening visit to his illustrious neighbor, Dr. Thomas Goodwin.

From The International Monthly Magazine, Volume 5, No. 1, January, 1852 by Various

The latter presently puts forth the jagged spine of black and repulsive plutonic rock, which notes the Sha'b Makhúl, the corresponding versant of the Nakb Abú Sha'r.

From The Land of Midian — Volume 2 by Sir Richard Francis Burton

I expected a corresponding formation upon the opposite eastern versant: we found only a huge crest, a spine of black plutonic rock, intensely ugly and repulsive.

From The Land of Midian — Volume 2 by Sir Richard Francis Burton