Restrategise" means to form a new strategy or to replan something. It implies a need to adjust or change a previous plan, often due to unforeseen circumstances or a desire for improvement. It's a UK term that can also be spelled.

“Restrategise” means to develop a new strategy or to revise an existing one. It typically suggests adapting a prior plan in response to changing circumstances, new insights, or the need for improvement. This term is primarily used in British English, and the spelling may vary in other forms of English “restrategize” is the preferred spelling in American English.