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demote
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demonstrate

dem·on·strate [ démmən stràyt ] (past and past participle dem·on·strat·ed, present participle dem·on·strat·ing, 3rd person present singular dem·on·strates)


verb 
Definition:
 
1. transitive verb explain workings of something: to explain or describe how something works or how to do something

2. transitive verb show validity of something: to show or prove something clearly and convincingly

3. intransitive verb protest or support somebody or something: to make a public show as a group for or against an issue, cause, or person, often by marching through the streets

[Mid-16th century. < Latin demonstrat-, past participle of demonstrare< monstrare "show" < monstrum "omen"]
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