reformulateverb [ T ]
uk/ˌriːˈfɔː.mjʊ.leɪt//-ˈfɔːr-/to change a plan or idea so that you have a slightly different one:
He must either abandon or reformulate his thesis.
to change what a product contains:
Many cosmetics companies are reformulating their products to include UV protection.
to say or write something in a different way:
She needed to reformulate the sentence to make it clearer.