Synonyms of the word

latitudinarian

• adj. Not restrained; not confined by precise limits.
• adj. Tolerant, especially of other people's religious views.
• adj. Lax in moral or religious principles.
• n. A person who is tolerant of others' religious views.

broad-minded

• adj. Having an open mind; tolerant of diversity.

liberal

• adj. (now rare outside set phrases) Pertaining to those arts and sciences the study of which are considered…
• adj. Generous; willing to give unsparingly.
• adj. Ample, abundant; generous in quantity.
• adj. (obsolete) Unrestrained, licentious.
• adj. Widely open to new ideas, willing to depart from established opinions or conventions; permissive.
• adj. (politics) Open to political or social changes and reforms associated with either classical or modern…
• n. One with liberal views, supporting individual liberty (see Wikipedia's article on Liberalism).
• n. (US) Someone left-wing; one with a left-wing ideology.
• n. A supporter of any of several liberal parties.
• n. (Britain) One who favors individual voting rights, human and civil rights, and laissez-faire markets (also…

liberalist

• n. A liberal.

progressive

• adj. Favouring or promoting progress; advanced.
• adj. Gradually advancing in extent; increasing.
• adj. Promoting or favoring progress towards improved conditions or new policies, ideas or methods.
• adj. Of or relating to progressive education.
• adj. (of an income tax or other tax) Increasing in rate as the taxable amount increases.
• adj. Advancing in severity.
• adj. liberal (politically).
• adj. (grammar) continuous.
• n. A person who actively favors or strives for progress towards improved conditions, as in society or government.
• n. (grammar) A progressive verb; a verb used the progressive tense and generally conjugated as to end in…

undogmatic

• adj. Not dogmatic.