Wiktionary
a. 1 Able to be represented by a map. 2 Able to be associated with something else by means of a mapping.
Usage examples of "mappable".
But it had been a space tunnel, a wormhole transport point to a vast mappable net of usable tunnels.
The whorls went on clarifying themselves, separating into distinct and mappable layers, as on the platform Keith and Devrie remained frozen, all their energies focused on the telepathic trance.
Every least tribe calls itself a nation and gives its nation a name and asserts that its nation has mappable borders.
They had no mappable course - a good storm higher up the mountains could bring house-sized rocks and half a stricken woodland down in the flood, blocking the sinkholes and piling up dams.
In the dark, damp hut Hartstein struggled until, like a miracle, the idea of a mappable universe came alive in his mind.