The word "regain" is correct and usable in written English. You can use it when you want to express the idea of getting something back or recovering something that was previously lost. Example: After months of hard work, I was able to regain my strength and confidence.
We are currently in the process of interviewing potential board members, and our goal is to add an additional independent member this year in order to regain our 4-star rating by 2013.
"The word 'trust' is a huge word: how long does it take to regain trust?" asked Stewart.
All the companies are fighting hard to regain any trust lost with their users since the Guardian broke the news of the NSA's Prism programme.
If they fail to regain their customers' trust, notwithstanding how convenient, even necessary, their services may seem to us, they are finished.
In the long run it is good for Google to be seen not only to believe, but to act upon, this idea, for it is the only way for it to regain those users' trust.
Adams himself has declared his hand and will seek to regain the Sinn Féin seat in County Louth, which would give him a much higher profile in the Irish Republic's media over the next few years.
If last year's ceremony went down as one of the dullest ever, last night's showpiece attempted to regain some showbiz sparkle with centrepieces including a 2.8-metre mirror ball, 10,000 balloons and 30 lasers zigzagging throughout the televised show.
Ludwig does not simply clarify my doubts with English writing, it enlightens my writing with new possibilities
Simone Ivan Conte
Software Engineer at Adobe, UK