commūtābĭlis, e, adj. [commuto], subject to change, changeable (class.).
I In gen.: cera, Cic. N. D. 3, 12, 30: haec imbecilla et commutabilis pecunia, id. Par. 1, 1, 7: commutabilis, varius, multiplex animus, id. Lael. 25, 92: ratio vitae, id. Mil. 26, 69: principia verbi, Varr. L. L. 9, § 99 Müll.—
II In rhet.: exordium quod ab adversario potest, leviter mutatum, ex contrariā parte dici, = commune, Cic. Inv. 1, 18, 26; so * Quint. 4, 1, 71.