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

And beyond Al-Zaribah the traveller enters a region of water-courses tending West and South-West The versant is generally from the East and South-East towards the West and North-West.

From Personal Narrative of a Pilgrimage to Al-Madinah & Meccah — Volume 2 by Sir Richard Francis Burton

Remarks.—Previous authors who treated Syrrhophus placed this species in the western complex, because it occurs on the Pacific versant and has a reduced outer palmar tubercle.

From A Taxonomic Revision of the Leptodactylid Frog Genus Syrrhophus Cope by John D. Lynch

He was a native of Fife, and in early life became versant in occult science.

From The Mysteries of All Nations Rise and Progress of Superstition, Laws Against and Trials of Witches, Ancient and Modern Delusions Together With Strange Customs, Fables, and Tales by James Grant

He was well versant in military affairs and took great delight in war, of which he endured the labours and privations with much patient fortitude.

From A General History and Collection of Voyages and Travels - Volume 05 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