'solely necessary' is grammatically correct and can be used in written English.
You can use it to describe something that is absolutely needed or essential. For example: "The safety measures taken by the government are solely necessary to protect the citizens."
In addition, the use of any personal information should be limited solely as necessary to provide services or functionality for Your Application (e.g., the use of collected personal information for telemarketing purposes is prohibited (unless expressly consented to by the user)).
Before going on the record, Mr. Bush must always look over his words with these questions in mind: "Is this triumphalist?" "Do I sound arrogant?" "Is this adjective or metaphor or emphasis dictated solely by necessary sense or by pride?" His statements will be all the more effective for this rigorous self-examination.
It is just that reasoners relying solely on necessary and sufficient definitions will likely miss many of these nonalignments because ontologically valid definitions cannot be created, and it is desirable that as many of these nonalignments as possible be rectified.
The notion that our country needs at least two competitive parties is not just a platitude, nor is it necessary solely to hold the dominant party accountable.
The results indicate that the joint effect of parental atopy, representing indirectly and not necessary solely genetic constitution, and exposure to mold odor was weaker than expected on the basis of their independent effects in additive scale.
A list of tips, however necessary, aimed solely at the most dimwitted or ignorant readers would be too shameful to give, or to read.
The National Urban Water Supply and Sanitation Policy (2008) describe the need for sanitation as being necessary "not solely for reasons of moral obligation, but because it is in the best public interest to do so".
This allowed the use of a reaction medium solely composed of the necessary substrates.
The film is their first since Rosetta to focus so solely on a female lead – necessary, said Jean-Pierre, because "this would never happen to a man".
Mr. Dodd announced he would go it alone and offer the committee a bill he will try to pass solely with Democratic votes if necessary.
