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

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

There is hardly any versant or shed; in places the land sinks below the water-level; and, despite the excellent brick sewers, the showers prefer to sop and sod the soil.

From To the Gold Coast for Gold A Personal Narrative in Two Volumes.—Volume I by Sir Richard Francis Burton

His literary education likewise had been so carefully attended to, that he was considered as more versant in these things than his situation required.

From A General History and Collection of Voyages and Travels — Volume 04 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