The phrase "a purpose can be" is correct and usable in written English.
You can use it when discussing the potential or nature of a purpose in various contexts, such as philosophy, psychology, or goal-setting.
Example: "In many cases, a purpose can be a driving force that motivates individuals to achieve their goals."
Alternatives: "a goal may be" or "an aim can be".
Such a purpose can be seen in the German criminal code of 1998, which admonished the courts that the "effects which the punishment will be expected to have on the perpetrator's future life in society shall be considered".
"[It is] particularly important for those in the latter stages of life when one is less mobile and having to cope with the death of partners and friends: getting out of bed and feeling one has a purpose can be particularly challenging".
Although the original idea of quality management standards was to assure customer satisfaction and facilitate international trade, such a purpose can be easily distorted due to institutionalization. Institutionalization refers to a process whereby organizational innovations become more symbolic in their surface value and less substantial in their actual practice (Staw and Epstein 2000).
Co-option, the use of an existing protein for a new purpose, can be viewed as a gain of function without losing ancestral functions.
The economic power of a higher purpose can be found when studying a company like Unilever.
It's true that homework given without a clear purpose can be confusing and sometimes demotivating for students.
A higher purpose can be as simple or lofty as you decide, the primary differentiator is in the fact that success is not only measured by shareholder value, and that new metrics are added to the equation.
The optimum model for a specific design purpose can be found by tuning the functions that correlate the parameters of the complex model to the parameters of the simplified model.
A shining talent like dancing or acting is hard to hide, but a true life purpose can be tougher to identify.
A clearly articulated purpose can be the new glue that brings together the community of students, scholars, and business leaders that give life to a business school.
At the same time, a community with a shared sense of purpose can be very fertile in innovation and ideas on how it can develop and improve.
