Verb

(observ)

(lb) To notice or view, especially carefully or with attention to detail.

:

*1892 , (Arthur Conan Doyle),

*:“One horse?” interjected Holmes. ¶ “Yes, only one.” ¶ “Did you observe the colour?”

*{{quote-magazine, date=2013-03, author=Frank Fish, George Lauder

, volume=101, issue=2, page=114, magazine=(American Scientist) , title= Not Just Going with the Flow , passage=An extreme version of vorticity is a vortex . The vortex is a spinning, cyclonic mass of fluid, which can be observed in the rotation of water going down a drain, as well as in smoke rings, tornados and hurricanes.}}

(lb) To follow or obey the custom, practice, or rules (especially of a religion).

:

*Bible, (w)

*:Ye shall observe the feast of unleavened bread.

*{{quote-news, year=2011, date=November 10, author=Jeremy Wilson, work=Telegraph

, title= England Under 21 5 Iceland Under 21 0: match report , passage=A sell-out crowd of 10,000 then observed perfectly a period of silence before the team revealed their black armbands, complete with stitched-in poppies, for the match. After Fifa’s about-turn, it must have been a frantic few days for the England kit manufacturer. The on-field challenge was altogether more straightforward. }}

(lb) To comment on something; to make an observation.

:

*

*:Elbows almost touching they leaned at ease, idly reading the almost obliterated lines engraved there. ¶ ("I never) understood it," she observed , lightly scornful. "What occult meaning has a sun-dial for the spooney? I'm sure I don't want to read riddles in a strange gentleman's optics."

Verb

(en verb)

To declare with assurance or plainly and strongly; to state positively.

* {{quote-magazine, year=2012, month=March-April

, author=Colin Allen , title=Do I See What You See? , volume=100, issue=2, page=168 , magazine=(American Scientist) citation , passage=Numerous experimental tests and other observations have been offered in favor of animal mind reading, and although many scientists are skeptical, others assert that humans are not the only species capable of representing what others do and don’t perceive and know.}}

he would often assert his beliefs to us

To use or exercise and thereby prove the existence of.

to assert one's authority

Salman Rushdie has asserted his right ... to be identified as the author of this work

To maintain or defend, as a cause or a claim, by words or measures; to vindicate a claim or title to; as, to assert our rights and liberties.

The quasi-judicial pre-grant process of asserting patent rights and appeals procedures during patent examination; 'to assert' patent rights means to defend or maintain patent rights.

(computer science) To make true; to make equal to 1. (rfex)