conservative

(noun) a person who is reluctant to accept changes and new ideas. Synonyms: conservativist.

(noun) a member of a Conservative Party. Synonyms: Conservative.

(adj) resistant to change. Synonyms: conservative (vs. liberal).

(adj) having social or political views favoring conservatism.

(adj) avoiding excess. Synonyms: cautious. Example: "A conservative estimate."

(adj) unimaginatively conventional. Synonyms: button-down, buttoned-down. Example: "A colorful character in the buttoned-down, dull-grey world of business"- newsweek."

(adj) conforming to the standards and conventions of the middle class. Synonyms: bourgeois, materialistic. Example: "A bourgeois mentality."