When a doctor sets a broken bone, he or she puts it into the right position so that it will heal. When a broken bone sets, it heals in a particular position.
In mathematics, sets are commonly represented by enclosing the members of a set in curly braces, as {1, 2, 3, 4, 5}, the set of all positive integers from 1 to 5.
A set is a group of things that belong together, like the set of even numbers (2,4,6…) or the bed, nightstands, and dresser that make up your bedroom set.
The wings were bent or set permanently 2 to 3 inches upward at the wingtips; however, the set was within the manufacturer's allowable tolerances. A bias of mind; an attitude or pattern of behaviour.