Synonyms of the word

doctrine

• n. A belief or tenet, especially about philosophical or theological matters.
• n. The body of teachings of an ideology, most often a religion, or of an ideological or religious leader,…

belief

• n. Mental acceptance of a claim as true.
• n. Faith or trust in the reality of something; often based upon one's own reasoning, trust in a claim, desire…
• n. (countable) Something believed.
• n. (uncountable) The quality or state of believing.
• n. (uncountable) Religious faith.
• n. (in the plural) One's religious or moral convictions.

ism

• n. An ideology, system of thought, or practice that can be described by a word ending in -ism.
• n. Specifically, a form of discrimination, such as racism or sexism.

philosophy

• n. (uncountable, originally) The love of wisdom.
• n. (uncountable) An academic discipline that seeks truth through reasoning rather than empiricism.
• n. (countable) A comprehensive system of belief.
• n. (countable) A view or outlook regarding fundamental principles underlying some domain.
• n. (countable) A general principle (usually moral).
• n. (archaic) A broader branch of (non-applied) science.
• n. (French printing, dated) Synonym of small pica.
• v. (now rare) To philosophize.