The phrase "revive optimism" is correct and usable in written English
You can use it when discussing the act of restoring or rekindling a sense of hope or positive outlook.
Example: "In times of uncertainty, it is essential to find ways to revive optimism among the team."
Alternatives: "restore hope" or "rekindle positivity."
The day's data revived optimism, but analysts said real improvement was needed to sustain the rally.
The world's embrace of the yuan began to look provisional, not inevitable.But the CNH can enter the Chinese new year with revived optimism.
But big retailer earnings and economic data are reviving optimism for an economic recovery, which could give Wall Street a respite.
To prosper, however, he needs to revive the optimism that used to characterise his rhetoric, updating it for the post-credit-crunch era.
There is, of course, no assurance that a new recession has begun or will do so soon, and a positive jobs report on Friday morning could revive some optimism.
No, all this has been accomplished by me and the citizen volunteers who travel with me in the hope of reviving the optimism that has always kept this nation in the forefront of the world order.
Farther south Zimbabwe's independence in 1980 and South Africa's triumph over apartheid in 1994 revived an ambiguous optimism, shifting the continent into a new era, no longer able to sublimate its woes in the catchall politics of struggle against white minority rule.
Now for the new year his party should stop being so pessimistic, quit the grumbling and, as our battered nation emerges from five years of economic darkness, revive that sense of compassionate optimism and belief in Britain.
Despite news of recent infections, some market traders have already flouted the bushmeat ban and are beginning to revive the trade, buoyed with optimism about the drastic dip in Ebola deaths.
But I am optimistic that as soon as consumer optimism recuperates, growth will revive and economic prospects will improve".
