diversion-n; 3 Senses

Sense Number 1: an entertaining pastime

Commentary: DIVERSION[+activity][+pastime][+entertaining]

The prisoners' chief diversion was playing cards.
Attending a wine tasting last night was a fun diversion.
Mary was dating John only as a diversion.

WordNet 3.0 Sense Numbers: 1

Sense Number 2: an act of redirecting or turning something

Commentary: DIVERSION[+action][+redirection]

Bad weather forced the diversion of several flights to Cleveland.
They are anticipating a diversion of funds from military to civil research.
There is a diversion of traffic around the center of town due to an accident.

WordNet 3.0 Sense Numbers: 2

Sense Number 3: an intentional distraction from something else

Commentary: DIVERSION[+activity][+distraction][+intentional]
NOTE: refers to a ruse or decoy to conceal something else

A subsidiary raid was carried out on the airfield to create a diversion.
The giggling blond created a diversion for the guards while the two men entered the back of the building.
The magician's diversion of the audience's attention to the bouncing ball prevented them from seeing his slight of hand.

WordNet 3.0 Sense Numbers: 3