This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. A person who argues in defense or justification of something, such as a doctrine, policy, or institution.

n. One who makes an apology.

n. One who speaks or writes in defense of a faith, a cause, or an institution.

n. One who makes an apology; one who speaks or writes in defense of a faith, a cause, or an institution; especially, one who argues in defense of Christianity.

n. One who speaks or writes in defense of anything; one who champions a person or a cause, whether in public address or by literary means; one who makes an apology or defense.

n. Specifically Eccles., a defender of Christianity; in particular, one of the authors of the early Christian apologies.

n. a person who argues to defend or justify some policy or institution

"That which he describes as apologist was the ideal and not the real in his congregation."

proponent    exponent    advocator    advocate   

apologise    apologize    apologeticism    apologiser    apologetics    apology    apologizer    apologia   

justifier    excuser    apologiser    apologizer   

Scientologist    anesthesiologist    anthropologist    endocrinologist    entomologist    geologist    gynecologist    ideologist    musicologist    neurologist   

propagandist    upholder    economist    commentator    jurist    humanists    biographer    reformer    historian    geographer