Ranked by relevance and common usage.
Keep "congratulator" when the sentence already sounds natural, when a synonym would add unintended emphasis, or when readers need the most familiar wording. A synonym should clarify or sharpen the message, not simply make the sentence look more varied.
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Choose a synonym only if it keeps the core idea of "congratulator" intact in the sentence you are editing.
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Review note: Synonym lists are ranked with lexical data and reviewed for practical writing value. Use the comparison notes, sentence evidence, and source labels together; a high-ranking synonym can still be wrong when the audience, register, or grammar changes.
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3 total sentences available.
And therefore I Challenge him, and you his Teachers, Abettors and Congratulators, to produce thoſe Books of the Quakers with the Pages and Words wherein the ſame Jeſus is ſo diſowned; otherwiſe, for ſhame Retract and Condemn this his Abuſe and Calumnious Aſperſion.
Source: wiktionary
It not only congratulates the Pope, but panegyrizes his Holiness, extols the college of cardinals and the bishops of Italy, calls upon the ashes of the martyrs to rejoice, apostrophizes Peter and Paul, and pays many fine compliments to happy Britain, although dissentient from the Romish faith;—it then reverts, in conclusion, to the Pope, and ends with intreating his blessing and assuring him of the prayers of his Irish congratulators. / We fear that the master of the ceremonies to his Holiness will find fault with one passage, where the congratulators say—“sancta genua cupidissime osculati”—we passionately kiss your holy knees.
Source: wiktionary
Some of you might be familiar with the Yiddish mantra, a third German, two-thirds Hebrew—keinahora (meaning “no evil eye”)—said to defend against compliments and good wishes and occurrences of good luck. Should someone praise the beauty of your child or her intelligence, or congratulate you on your newborn baby, you must hurry to ward off the evil eye and say keinahora.The kind and wise congratulator of the newly delivered mother knows well enough only to whisper a blessing in the mother’s ear lest it provoke the demons who are surely trying to catch what is being said in order to blast the infant and make the mother doubt the very intentions of the congratulator.
Source: wiktionary
Compare the replacement against real sentence context. This entry includes sample sentences so you can check tone, grammar, and meaning before swapping words.