What's the difference between countenance and downlooked?

Countenance

Definition:

(v. t.) To encourage; to favor; to approve; to aid; to abet.
(v. t.) To make a show of; to pretend.

Example Sentences:

(1) This is a big U-turn by the BMA, which had consistently refused to countenance any of Saturday being classified that way.
(2) This marks a fresh approach following an attempt on Monday to contain the controversy with a second, more conciliatory, statement by Ivens, the paper's longserving deputy editor who is just one week into his new job, who said: "The last thing I or anyone connected with the Sunday Times would countenance would be insulting the memory of the Shoah or invoking the blood libel.
(3) Unless the Chinese plan a “space spectacular”, the future of manned spaceflight lies with privately funded adventurers prepared to participate in a cut-price programme far riskier than Nasa would countenance.
(4) In a strongly-worded letter of resignation the award-winning science fiction and fantasy author said the Guild's decision to support Google in its plans to digitise millions of books meant she could no longer countenance being a member.
(5) But Goodwin himself has said he's willing to countenance publication of the FSA's probe, as have several of his senior colleagues.
(6) She has repeatedly refused to countenance the proposal and there is scant chance of her shifting that position as she moves into an election year.
(7) Miliband quoted from a 2010 Daily Telegraph interview in which the prime minister was reported as saying he would “not countenance leaving the EU and … would never campaign for an out vote in an EU referendum.” Miliband insisted Cameron’s “renegotiation is going nowhere; he’s caught between his backbenchers …and the national interest.
(8) He said they had already postponed the move until after the US election, but would not countenance further delays.
(9) The 25-year-old has entered the final year of his contract at Loftus Road but QPR , conscious of his prolific record, will not countenance his sale this summer for less than £15m as they seek an immediate return to the Premier League.
(10) Those on the security council opposed to us say they want Saddam to disarm but will not countenance any new resolution that authorises force in the event of non-compliance.
(11) "Sir Fred's role in the collapse of the Royal Bank of Scotland , and his refusal to countenance any reduction in his grotesquely extravagant £700,000-a-year pension, convinces me it would be wholly inappropriate for him to retain the high honour of a knighthood."
(12) "I wonder, will such people be held accountable at the end of the day for the absolute refusal to countenance a precautionary approach?
(13) But he added: “Islam today includes a substantial minority of believers who countenance, if they don’t actually carry out, a degree of violence in the application of their convictions that is currently unique.” Ajaz Ashraf, writing at the Indian website First Post, blamed totalitarian regimes in the Muslim world for fostering such violence .
(14) David Moyes was “not impressed” by newspaper pictures of Van Aanholt apparently smoking such a hookah at a central Newcastle shisha lounge this summer and has made it clear that he will not countenance any repeats.
(15) On the eve of the summit, China indicated it was willing to countenance an initiative by President Barack Obama to smooth the flow of capital around the world in the hope of securing greater long-term economic stability.
(16) But Abbott has refused to countenance such changes, saying that “we have made a very clear decision that we aren’t ever going to increase the taxes on super, we aren’t ever going to increase the restrictions on super because super belongs to the people”.
(17) And I've had enough tedious arguments with libertarians to know that the one thing they won't countenance is one person infringing another's "property rights", of which the one they hold in the highest regard is the person themself.
(18) The panel specifically cautioned that adoption of such principles is not designed to countenance delays in treatment, but if necessary, should help form more rational queues for coronary revascularization.
(19) While talking the talk of harm reduction, she has never shown a willingness to countenance a decriminalisation agenda , even in a modest form.
(20) However, Levy made it clear that he would not countenance a deal with their bitter rivals, much to the annoyance of the West Ham co-owner David Gold.