Adjective

(en adjective)

Possessing wisdom and discernment; wise, learned.

* 2010 , (Christopher Hitchens), Hitch-22 , Atlantic 2011, p. 217:

In Europe I had been told by sapient academics that there wasn't really any class system in the United States: well, you couldn't prove that by the conditions in California's agribusinesses, or indeed its urban factories.

(chiefly, science fiction) Possessing intelligence and self-awareness.

* {{quote-magazine

, year = 1962 , date = January , first = Henry Beam , last = Piper , authorlink = H. Beam Piper , title = Naudsonce , magazine = Analog Science Fact and Science Fiction , volume = 68 , issue = 5 , page = 9 , passage = It was inhabited by a sapient humanoid race, and some of them were civilized enough to put it in Class V, and Colonial Office doctrine on Class V planets was rigid. }}

Adjective

(en adjective)

Sagacious in adapting means to ends; circumspect in action, or in determining any line of conduct; careful, discreet, sensible; -- opposed to rash; directed by prudence or wise forethought; evincing prudence;

* {{quote-book

, year=1864 , author=Jules Verne , title=A Journey to the Center of the Earth , chapter=30 citation , passage=He did not hesitate what to do. It would be prudent to continue on to Omaha, for it would be dangerous to return to the train, which the Indians might still be engaged in pillaging.}}

* Moses established a grave and prudent law . --Milton.

Practically wise, judicious, shrewd

''His prudent career moves reliably brought him to the top

Frugal; economical; not extravagant;

Only prudent expenditure may provide quality within a restrictive budget