to use something or someone, especially in an effective way:
The company is reconsidering the way in which it deploys its resources/staff.
My job doesn't really allow me fully to deploy my skills/talents.
to move soldiers or equipment to a place where they can be used when they are needed:
The decision has been made to deploy extra troops/more powerful weapons.
to put something into use:
[ I ] When airbags deploy, they save lives.
[ T ] Automobiles deploy air bags in crashes of 8 to 12 miles per hour.
To deploy is also to move weapons or military forces to where they will be used when they are needed:
[ T ] The UN is deploying observers.
to use something or someone, especially in order to achieve a particular effect:
If deployed in the right way, communication networks enable employees to gain greater awareness of the organisation.
be deployed to do sth The new capital available can be deployed to create yet more wealth.