Using “to put out to pasture” when one implies retiring a person because they are too old to be effective.
Below are some more examples of Euphemisms
Downsizing - This is used when a company fires or lays off a larger number of employees
Friendly fire - This is used by the military when soldiers are accidentally killed by other soldiers on the same side.
Tipsy - This is a soft way to say that someone has had to much to drink.
Golden years - This is used to describe the later period of life when someone is of old age.
Gone to heaven - This is a polite way to say that someone is dead.
Enhanced interrogation - This is modern euphemism to minimize what by many people would be viewed as torture.