flexible
flexile
graceful
Machiavellian
Machiavellic
able to adapt
accommodating
acquiescent
acute
adaptable
adjustable
agile
all-around
alterable
alterative
ambidextrous
amphibious
arch
artful
astute
athletic
bendable
bending
cagey
canny
changeable
checkered
clever
complaisant
compliant
crafty
cunning
cute
deceitful
deep
deep-laid
designing
diplomatic
ductile
elastic
ever-changing
extensible
extensile
fabricable
facile
fawning
feline
fictile
flattering
alter
change
modify
suppled
supples
suppling
deft
limber
lithe
muscular
pliant
shapely
silken
sinuous
sleek
slim
springy
taut
couple
decouple
quintuple
uncouple