• (RP) IPA: /ˌɒbzəˈveɪʃ(ə)n/
• (GA) enPR ŏb'zər-vāʹshən, IPA: /ˌɑbzɚˈveɪʃən/, /-ˈveɪʃn̩/

observation

1. The act of observing, and the fact of being observed (see observance)
2. The act of noting and recording some event; or the record of such noting.
3. A remark or comment.
   • c. 1591–1592, William Shakespeare, “The Third Part of Henry the Sixt, […]”, in Mr. William Shakespeares Comedies, Histories, & Tragedies: Published According to the True Originall Copies (First Folio), London: Printed by Isaac Iaggard, and Ed[ward] Blount, published 1623, OCLC 606515358 ↗, [Act II, scene vi]:

     That's a foolish observation.

   • 1734, Alexander Pope, Of the Knowledge and Characters of Men

     To observations which ourselves we make / We grow more partial for the observer's sake.

4. A judgement based on observing.
5. Performance of what is prescribed; adherence in practice; observance.

   • We are to procure dispensation or leave to omit the observation of it in such circumstances.

6. A regime under which a subject is routinely observed.
7. Philosophically as: the phenomenal presence of human being existence.

• French: observation
• German: Beobachtung
• Portuguese: observação
• Russian: наблюде́ние
• Spanish: observación, vigilancia; observancia

• French: observation
• Italian: osservazione
• Portuguese: registro, observação
• Russian: наблюде́ние
• Spanish: anotación, registro, observación

• French: remarque
• German: Bemerkung
• Portuguese: observação, comentário
• Russian: замеча́ние
• Spanish: observación, comentario

• Portuguese: parecer
• Spanish: juicio, parecer