"somewhat understood" is a correct and usable phrase in written English.
You can use it when you want to express that someone only partially understands a concept or situation. Example: Even after reading multiple articles about quantum mechanics, I still only somewhat understood the concepts.
While the central mechanism mediating PrRP's effect on food intake in rodents is somewhat understood, in chicks information is lacking.
At least the credit- and debit-card system was somewhat understood by those who suffered in the Target scam, which siphoned data from the store card-swiping machines.
I interviewed him at a coffee shop, with the benefit of having my wife, Jessica Green, by my side — she speaks Italian and therefore somewhat understood what the Maestro was saying.
This cost is somewhat understood by the industry.
I know now, and somewhat understood then, why my mother couldn't be open about her life.
There's an authentic search in this play for insight into where each side is coming from, of how people can take actions that go against their own nature, ones that can't be excused but at least somewhat understood.
I suppose I can somewhat understand the tactic of blowing one's self up in a place like Iraq, but an Internet cafe in Morocco?
I somewhat understand why the Smiths support such cuts.
"I respect and somewhat understand the dilemma of the elected officials," said Merritt, a former Laguna Niguel City Council member.
Recently, actress Stacey Dash, known famously from her role n the movie "Clueless" came out saying that Black History Month should not be a think and while I think I somewhat understand where she was attempting to go with the statement we should be including the history of blacks in the complete history telling of America.
Receptors for smell were identified in the early 1990s, and for sweet, bitter and umami only in the past two years (sour and salty tastes were somewhat better understood).
