1) Adaptable 1) French word used in English 
• (a.) Capable of being modified; liable to modification.
Mod'i·fi`a·ble adjective [ From Modify .] Capable of being modified; liable to modification. 
[adj] - capable of being modified in form or character or strength (especially by making less extreme)
adjective capable of being modified in form or character or strength (especially by making less extreme); `the rhythm of physiological time is not modifiable except by interference with certain fundamental processes` - Alexis Carrel