navigate vs navigable

navigate is not an adjective while navigable is an adjective.

Word	Noun	Adjective	Verb	Adverb
navigate	No	No	Yes	No
navigable	No	Yes	No	No

navigate (adjective)	navigable (adjective)
	able to be sailed on or through safely

navigate (verb)	navigable (verb)
act as the navigator in a car, plane, or vessel and plan, direct, plot the path and position of the conveyance
travel on water propelled by wind or by other means
direct carefully and safely