reduce or weaken something
attenuate - reduce
'Attenuate' is a medical term that refers to a procedure to weaken a virus or disease, but it is more commonly used in relation to something that has been physically reduced, or weakened in amount, intensity, or value. It is regarded as both a formal and technical word.
The government promised to create a policy that would attenuate the housing crisis in the country.
For the business to return to profitability, it requires the attenuation of a number of legal issues that it is currently facing.
Experts believe that the virus is attenuable, are are currently working on a way to reduce its impact.