kept one's cool (verb) keep one's cool: remain calm
Sinonime: AC-DC, adjustable, all around, alterable, can-do,
changeable,
compliant, conformable, convertible, ductile, easy-going,
flexible, hanging loose,
malleable, modifiable, moldable, plastic, pliable, pliant,
resilient, supple, switch-hitting, tractable,
variable,
versatileAntonime: inflexible,
intractable, nonconforming, unadaptable