The phrase "arguably she has" is correct and usable in written English.
It can be used when presenting a point of view that suggests there is a reasonable argument to support a claim about her.
Example: "Arguably she has the best qualifications for the job, given her extensive experience and education."
Alternatives: "It can be said that she has" or "One could argue that she has."
Klaussmann's compelling book does justice to this material, but arguably she has made up more than she needed to.
You may not have heard of Amanda Palmer, but if you work in the music industry you'll know the name, and that, arguably, she has just turned a movement into a revolution that threatens to change the way you buy not only music, but everything else besides.
By the time the day arrives, it's like, 'Thank God it's here!'" She was not the only dark horse this year – coming between the 83-year-old Ruby Dee for American Gangster and 14-year-old Saoirse Ronan for Atonement – but arguably she had the most to lose.
A lot of the evaluation of her is, arguably, misogynist: she has been described as having a "mannish intellect", chastised for not being sufficiently modest about her literary success and made to feel, in her own words, that she is "a bitch for not having children".
This and other arguably racist comments she has made caused a number of Young Republicans, including John McCain's daughter Meghan, to encourage her to drop out of the race.
On gay marriage, arguably she could have brazened out the loathing of grass-roots Tories with a bit more charisma and (frankly) joy.
She has arguably made an equally big mark with her frequent speeches to women, which are a call to draw more women to technology, and to Facebook.
Serena has dominated their so-called rivalry since 2002, which is to say for a very long time, and in the process, she has arguably kept Venus from being what Serena became: the greatest women's tennis player of all time.
She has become arguably the most admired and powerful woman in Britain.
Over recent years, she has become arguably the key advocate for social care - good, personalised care, she would stress - and unofficial keeper of its conscience.
("I think that's arguably the craziest thing that she has said, and the most dangerous," said Jon Ralston, who writes the state's most influential political column for The Las Vegas Sun).
