a. [f. prec. + -ABLE.] That can be sailed over; navigable.
1819. Seager, Suppl. Johnson, Voyageable..., that may be sailed or travelled over. The existence, or at least the propriety, of this word may be inferred from Miltons use of Unvoyageable.
1882. Stevenson, Men & Bks., 388. There lies between them, instead of the voyageable straits, that great gulf over which no man can pass.