replace

American Heritage® Dictionary of the English Language, Fourth Edition

1. v. To put back into a former position or place.
2. v. To take or fill the place of.
3. v. To be or provide a substitute for.
4. v. To pay back or return; refund.

Century Dictionary and Cyclopedia

1. To put again in the former or the proper place.
2. To restore (what has been taken away or borrowed); return; make good: as, to replace a sum of money borrowed.
3. To substitute something competent in the place of, as of something which has heen displaced or lost or destroyed.
4. To fill or take the place of; supersede; be a substitute for; fulfil the end or office of.
5. Synonyms To reinstate, reëstablish, restore.

Wiktionary

1. v. transitive To restore to a former place, position, condition, or the like.
2. v. transitive To refund; to repay; to restore; as, to replace a sum of money borrowed.
3. v. transitive To supply or substitute an equivalent for.
4. v. transitive To take the place of; to supply the want of; to fulfil the end or office of.
5. v. transitive To demolish a building and build a updated form of that building in its place.
6. v. transitive, rare To place again.
7. v. transitive, rare To put in a new or different place.

GNU Webster's 1913

1. v. To place again; to restore to a former place, position, condition, or the like.
2. v. To refund; to repay; to restore.
3. v. To supply or substitute an equivalent for.
4. v. To take the place of; to supply the want of; to fulfull the end or office of.
5. v. To put in a new or different place.

WordNet 3.0

1. v. put in the place of another; switch seemingly equivalent items
2. v. put something back where it belongs
3. v. substitute a person or thing for (another that is broken or inefficient or lost or no longer working or yielding what is expected)
4. v. take the place or move into the position of