Ranked by relevance and common usage.
Keep "conscientiousness" 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.
If two options seem close, choose the one that best matches the audience and purpose of the sentence.
Choose a synonym only if it keeps the core idea of "conscientiousness" intact in the sentence you are editing.
Check whether the replacement sounds more formal, casual, emotional, technical, or forceful than the original word.
Read the full sentence after the swap. Keep the synonym only when the sentence becomes clearer or more precise.
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.
After choosing a replacement for "conscientiousness", read the sentence once for meaning and once for rhythm. The best synonym should feel natural in the full sentence, not only accurate in a word list.
If the synonym makes the sentence slower, vaguer, or more dramatic than intended, keep "conscientiousness" or choose a simpler alternative from the closest-match group.
OpenGloss and ConceptNet supply richer edges like generalizations, collocations, and derivations.
3 total sentences available.
It is a terrible thing a Man should be put to Death for a Crime he is not Guilty of; yet so oddly Circumstances may meet in the infinite variety of Accidents, that it is possible it should come to pass, all the Wisdom that Judges, and Conscientiousness that Juries may be possess'd of, notwithstanding.
Source: wiktionary
We come now to the greatest and noblest of the Moral Powers of Man; to that power which makes him quite a different order of being from any other that we know of, and which is the glory and crown of his existence:—his Conscientiousness.
Source: wiktionary
It seems evident that those who have expressed the view that the following of personal inclination is sometimes morally better than conscientiousness are confusing this issue with another to which we must next give attention.
Source: wiktionary
Closest matches include accuracy, act responsibly, assiduousness, carefulness, censor.
Compare the replacement against real sentence context. This entry includes sample sentences so you can check tone, grammar, and meaning before swapping words.