replace

verb

1. 1

   substitute a person or thing for (another that is broken or inefficient or lost or no longer working or yielding what is expected)

   He replaced the old razor blade

   We need to replace the secretary that left a month ago

2. 2

   put something back where it belongs

   replace the book on the shelf after you have finished reading it

   please put the clean dishes back in the cabinet when you have washed them

3. 3

   put in the place of another; switch seemingly equivalent items

   the con artist replaced the original with a fake Rembrandt

   substitute regular milk with fat-free milk

4. 4

   take the place or move into the position of

   Smith replaced Miller as CEO after Miller left

   the computer has supplanted the slide rule