Flexibility (9)
'flexibility' is the definition.
(thesaurus)
This is all the clue.
(Other definitions for elasticity that I've seen before include "indication of how that may affect demand" , "Spring" , "Springiness" , "Stretchiness" .)
'flexibility' is the definition.
(I've seen this before)
This is all the clue.
(Another definition for litheness that I've seen is " flexibility".)