Real Dictionary

replace
verb: If one thing or person replaces another, the first is used or acts instead of the second.
verb: If you replace one thing or person with another, you put something or someone else in their place to do their job.
verb: If you replace something that is broken, damaged, or lost, you get a new one to use instead.
verb: If you replace something, you put it back where it was before.

replace in American English
to place again; put back in a former or the proper place or position
transitive verb: to assume the former role, position, or function of; substitute for (a person or thing)

replace in British English
to take the place of; supersede

replace in Hospitality
verb: If you replace something that is used, damaged, or lost, you get a new one to use instead.