The phrase "a purpose which is" is correct and usable in written English.
It can be used when defining or explaining a specific purpose or intention behind an action or statement.
Example: "The committee was formed with a purpose which is to improve community engagement and participation."
Alternatives: "an aim that is" or "a goal that is".
It always serves the market for a purpose, which is the whole point".
Leadership requires a purpose which is readily understood and widely supported.
Our surprise serves a purpose, which is why it hangs around so tenaciously.
But it has a purpose, which is to feed the narrative of the SNP as Scotland's only true champions.
Of course, the Pentagon's accounting system serves a purpose, which is to prioritize dollars for the armed services and their combat units.
When President Ronald Reagan bombed Tripoli in 1986, Zinn wrote: "There is no flag large enough to cover the shame of killing innocent people for a purpose which is unattainable".
I had the possibility with a number of people to concentrate fantastically upon an extraordinarily great structure for a purpose which was not for profit but for the stimulus of the mind.
The technology transfer process, which consists of extracting and marketing space technologies, services and applications, for a purpose which were not originally intended, requires also a new approach in the context of patent policy.
It has a great meaning, a great cause and a great purpose, which is there are ways of viewing things aesthetically.
The Surveillance Camera Commissioner's Code of Practice for states that: "Use of a surveillance camera system must always be for a specified purpose which is in pursuit of a legitimate aim and necessary to meet an identified pressing need".
"I always believed that man had a higher purpose in life, a spiritual purpose, which is quite the opposite of going after power, money or publicity," Ariyaratne says.
