functional
operative
running
up
working
act
acting
action
active
activism
activity
agency
alive
at work
behavior
behavioral
conduct
direction
doing
driving
dynamic
employment
execution
exercise
function
going
going on
handling
in exercise
in force
in hand
in operation
in play
in practice
in process
in the works
inaction
live
management
manipulation
movements
occupation
on foot
on the fire
ongoing
operancy
operating
operation
operational
operations
performance
performing
physical process
process
malfunctioning