OBSERVE, verb transitive obzerv'. [Latin observo; ob and servo, to keep or hold. The sense is to hold in view, or to keep the eyes on.] 1. To see or behold with some attention; to notice; as, to observe a halo round the moon; I observed a singular phenomenon; we observe strangers or their dress. I saw the figure, but observed nothing peculiar in it. 2. To take notice or cognizance of by the intellect. We observe nice distinctions in arguments, or a peculiar delicacy of thought. 3. To utter or express, as a remark, opinion or sentiment; to remark. He observed that no man appears great to his domestics. 4. To keep religiously; to celebrate. A night to be much observed to the Lord. Exodus 12:17. Ye shall observe the feast of unleavened bread. Exodus 12:17. Ye observe days, and months, and times, and years. Galatians 4:10. 5. To keep or adhere to in practice; to comply with; to obey; as, to observe the laws of the state; to observe the rules and regulations of a society. Teaching them to observe all things whatsoever I have commanded you. Matthew 28:20. 6. To practice. In the days of Enoch, the people observed not circumcision or the sabbath. OBSERVE, verb intransitive observ'. 1. To remark. I have heard the gentleman's arguments, and shall hereafter observe upon them. 2. To be attentive.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI