Susceptible to being persuaded

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
1570s, "susceptible of being moved by entreaty" (a word much rarer than its opposite and probably existing now only as a back-formation from it), from Latin exorabilis "easily entreated, influenced by prayer," from exorare "to persuade" (see inexorable ...

Wiktionary Word definitions in Wiktionary
a. Capable of being moved or persuaded.

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Exorable \Ex"o*ra*ble\, a. [L. exorabilis: cf. F. exorable. See Exorate .] Capable of being moved by entreaty; pitiful; tender. --Milton.