Definition of observation :
1. Hence: An expression of an opinion or judgment upon what one has observed; a remark.
2. Performance of what is prescribed; adherence in practice; observance.
3. Specifically, the act of measuring, with suitable instruments, some magnitude, as the time of an occultation, with a clock; the right ascension of a star, with a transit instrument and clock; the sun's altitude, or the distance of the moon from a star, with a sextant; the temperature, with a thermometer, etc.
4. The act of recognizing and noting some fact or occurrence in nature, as an aurora, a corona, or the structure of an animal.
5. The act or the faculty of observing or taking notice; the act of seeing, or of fixing the mind upon, anything.
6. The information so acquired.
7. The result of an act, or of acts, of observing; view; reflection; conclusion; judgment.
comment, reflexion, contemplation, bill, detection, indifference, annotation, thoughtfulness, poster, estimation, knowledge, investigation, ceremony, rumination, note, research, obstruction, cognizance, observance, see, espial, pronouncement, notification, noticing, remark, mark, overlook, acumen, heed, ascertainment, placard, ceremonial, mirror image, probe, regard, words, view, obiter dictum, expression, ceremonial occasion, musing, honoring, card, watch, awareness, check, utterance, posting, reflectivity, measurement
attention (part of speech: noun)
consideration, interest, heedfulness, engrossment, absorption, immersion, entrancement, diligence, caution, care, regardfulness, notice, intentness, watchfulness, attention, concentration, enrapture, concern, mindfulness, scrutiny, rapture, attentiveness, alertness, fascination
idea (part of speech: noun)
vision (part of speech: noun)
evidence (part of speech: noun)
deposition, certification, confirmation, attestation, connotation, evidence, declaration, information, data, demonstration, indication, documentation, fact, exemplification, manifestation, corroboration, testimony, illustration, support, proof, establishment, substantiation, exhibit, statement, counter-evidence, specimen, determination, authentication, validation, quotation
- Don Luis drew a step nearer, as if not understanding her last observation. - "The Prime Minister", W.H.G. Kingston.
- We of Leaplow are, in effect, the only people who have had much to do with it, and I am now telling you what is the result of my own observation, in my own country. - "The Monikins", J. Fenimore Cooper.
- I hope we may soon have a more detailed account of his particular observation bearing on this interesting subject. - "The History of the European Fauna", R. F. Scharff.