a. [f. prec. + -ABLE.] Capable of being fathomed or sounded.
1697. Dampier, Voy. (1698), I. 531. Though they should be to Southward of all the Soundings, or fathomable ground, they can shape their course right, without being obliged to make the Land.
1727. in Bailey, vol. II.
b. fig. Comprehensible; intelligible.
1633. Ames, Agst. Cerem., II. 178. These [arguments] being more popular, and seeming more fadomable.
1647. Bp. Hall, Satans fiery darts quenched, III. vi. 303. Things not fadomeable by reason.
1781. Mad. DArblay, Diary, 26 June. Mr. Crutchley continues the least fathomable of all the men I have seen.