Conservative (language)
WordNet
adjective
(1) Conforming to the standards and conventions of the middle class
"A bourgeois mentality"
(2) Resistant to change
(3) Unimaginatively conventional
"A colorful character in the buttoned-down, dull-grey world of business"- Newsweek
(4) Avoiding excess
"A conservative estimate"
(5) Opposed to liberal reforms
noun
(6) A person who has conservative ideas or opinions