extensionist

[ ik-sten-shuh-nist ]

noun

1. a person or organization that supports the extension of something:

   A dedicated life extensionist, he believes that one day humanity will live forever through artificial intelligence.

2. agricultural extensionist ( def ).

Word History and Origins

Origin of extensionist¹

First recorded in 1860–65

Example Sentences

A filibuster may pass current under some such label as Political or Territorial Extensionist;—the name is a long, decent overcoat for his shabby ideas.

From Project Gutenberg