Noun

• S: (n) conservative, conservativist (a person who is reluctant to accept changes and new ideas)
• S: (n) Conservative (a member of a Conservative Party)

Adjective

• S: (adj) conservative (resistant to change, particularly in relation to politics or religion)
• S: (adj) conservative (having social or political views favoring conservatism)
• similar to
• antonym
• S: (adj) cautious, conservative (avoiding excess) "a conservative estimate"
• S: (adj) button-down, buttoned-down, conservative (unimaginatively conventional) "a colorful character in the buttoned-down, dull-grey world of business"- Newsweek
• similar to
• antonym
• S: (adj) bourgeois, conservative, materialistic (conforming to the standards and conventions of the middle class) "a bourgeois mentality"