Ranked by relevance and common usage.
Keep "observatorium" 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 "observatorium" 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 "observatorium", 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 "observatorium" or choose a simpler alternative from the closest-match group.
18 total sentences available.
The obſervatorium, built by Chriſtian VI. in ſuch a manner that a coach and horſes may aſcend to the top; here they keep the public library, and Tycho Brahe’s mathematical inſtruments, eſpecially his famous celeſtial globes, which are three yards thick in diameter.
Source: wiktionary
When all the persons whom br. O. had the purpose of visiting had been seen and he had done all he could for the Master, he visited the observatorium from the top of which there is a fine view of the surrounding country.
Source: wiktionary
Astronomical observations made at the observatorium at Greenwich
Source: wiktionary
The tombs of these Timurs are still to be seen in Samarcand; they are made of jasper, but one seeks in vain for the traces of the observatoria of Olug Beg.
Source: wiktionary
Showing 4 of 18 available sentences.
Closest matches include observatory.
Compare the replacement against real sentence context. This entry includes sample sentences so you can check tone, grammar, and meaning before swapping words.