elimination in WordNet English dictionary

1. the murder of a competitor
   elimination  liquidation 
   
2. the act of removing or getting rid of something
   elimination  riddance 
   
3. the act of removing an unknown mathematical quantity by combining equations
   elimination 
   
4. analysis of a problem into alternative possibilities followed by the systematic rejection of unacceptable alternatives
   elimination  reasoning by elimination 
   
5. the bodily process of discharging waste matter
   elimination  evacuation  excretion  excreting  voiding