nameable

Capable of being distinguished and named; able to be called by a specific name.

1635, Alexander Gill, The Sacred Philosophie of Holy Scripture, London: Joyce Norton and Richard Whitaker, Chapter 8, p. 30, [God’s] pure being, because it is neither understandable, nor nameable by us, we speake of goodnesse, of power, &c. as of the effluences or prime acts thereof […]

Mr. Hyde […] gave an impression of deformity without any nameable malformation […]

Worthy of being named or having a name; significant; memorable (especially in negative expressions).

[…] the culture [of alfalfa] is not very expensive, though the profit is not nameable till the second or third year, when the cuttings are considerable […]

1810, William Coleman, An Appeal to the People, New York: C.S. Van Winkle, p. 72, A mission hatched by Jefferson under the pretence of forming a commercial treaty, though we have neither trade of any nameable amount with Russia, nor any political concerns with her […]