Answer: assembling

AnswerCrossword Clue
assemblingTranslate (a program) from assembly language into machine code
assemblingASSEMBLE, to collect together
assembling(of people) Gather together in one place for a common purpose
assembling(of male moths) Gather for mating in response to a pheromone released by a female
assemblingFit together the separate component parts of (a machine or other object)
assemblingBring (people or things) together for a common purpose