Set
Poker
Three of a kind when you have two of the rank in your hand, and there is one on the board.
Weather
The direction towards which a current is headed. For example, a current moving from west to east is said to be set to east.
Defense
System Evaluation Threat.
Telecommunications
A finite or infinite number of objects, entities, or concepts, that have a given property or properties in common. 2. To configure all or part of a device into a specified state.