Adaptable Versatile Flexible

Adaptable : capable of being or becoming adapted. 

adapt verb \ə-ˈdapt, a-\transitive verb : to make fit (as for a new use) often by modification

— adapt·abil·i·ty \-ˌdap-tə-ˈbi-lə-tē\noun

1.     an adaptable tool that combines a screwdriver, a corkscrew, and pliers

2.     <an activities director who's adaptable to any kind of situation>

Versatile: ver·sa·tile

adjective \ˈvər-sə-t^əl, especially British -ˌtī(-ə)l\

1

: changing or fluctuating readily : variable <a versatile disposition>

2

: embracing a variety of subjects, fields, or skills; also: turning with ease from one thing to another

3

a (1): capable of turning forward or backward : reversible <a versatile toe of a bird> (2): capable of moving laterally and up and down <versatile antennae>

bof an anther: having the filaments attached at or near the middle so as to swing freely

4

: having many uses or applications <versatile building material>

 A pocket knife is a versatile tool.

Flexible: flex·i·ble

adjective \ˈflek-sə-bəl\

1

: capable of being flexed : pliant

2

: yielding to influence : tractable

3

: characterized by a ready capability to adapt to new, different, or changing requirements <a flexible foreign policy> <a flexible schedule>

— flex·i·bil·i·ty \ˌflek-sə-ˈbi-lə-tē\noun

— flex·i·bly \ˈflek-sə-blē\adverb

1.     flexible branches swaying in the breeze

2.     a material that is both strong and flexible

3.     She's been doing exercises to become stronger and more flexible.

4.     Our schedule for the weekend is very flexible.

5.     This computer program has to be flexible to meet all our needs.

6.     Whatever you want to do is fine with me. I'm flexible.