flexible in WordNet English dictionary

1. making or willing to make concessions
   "loneliness tore through him...whenever he thought of...even the compromising Louis du Tillet"
   compromising  conciliatory  flexible 
   
2. able to adjust readily to different conditions
   "an adaptable person"; "a flexible personality"; "an elastic clause in a contract"
   elastic  flexible  pliable  pliant 
   
3. able to flex; able to bend easily
   "slim flexible birches"
   flexible  flexile 
   
4. capable of being changed
   "flexible schedules"
   flexible 
   
5. bending and snapping back readily without breaking
   flexible  whippy