| operable(adjective, realistic, possible, workable, feasible) |
| valid(adjective, strong, power, legal) |
| workable(adjective, reasonable, sensible, active, useful) |
| workingman(noun, person, work) |
| available(adjective, strong, power, free, friendly) |
| broker(noun, agent, representative, manager, deputy) |
| current(adjective, active, practical, running, alive) |
| delegate(noun, agent, representative, manager, deputy) |
| emissary(noun, plant, agent, representative, assistant) |
| employee(noun, help, hack, hand, member) |
| energetic |
| espionage agent(noun, expression, plant, agent, mole) |
| fundamental(adjective, usual, main, principal) |
| go-between(noun, agent, representative, manager, deputy) |
| instrument(noun, agent, hack, staff, worker) |
| intelligence officer(noun, expression, idiom) |
| intermediary(noun, agent, representative, manager, deputy) |
| machinist |
| mediator(noun, agent, representative, manager) |
| operation |