"execute." Merriam-Webster Online Dictionary. 2008.Merriam-Webster Online. 30 October 2008<http://www.merriam-webster.com/dictionary/execute>

ex·e·cute
Pronunciation: \&#712;ek-si-&#716;kyüt\
1. to carry out fully...to make or produce
2.to put to death

pretty sure that's sufficiently contradictory
as in: ''Execute the plan!" vs. "Execute him!"