1) (one of) a group of soldiers especially trained for carrying out raids and making assaults (commando)
2) (an act of) punishment by being killed; the carrying out or performance of a piece of work etc (execution)
3) having to do with managing or carrying out orders; a person, group, in a business with administrative or managerial powers (executive)
activity; work
achievement
accomplishment, completion
accomplishment, completion
the keeping or observing of a law, custom, festival etc; an act performed as part of a ceremony or as a sign of respect or worship
attention to, knowledge of something
an act of performing; a bad-tempered act etc
accomplishment