crystallize
🇺🇸
/ˈkrɪstəlaɪz/
🇬🇧
/ˈkrɪstəlaɪz/
To develop a clear and definite form or become well-defined.
We finally saw our plan start to crystallize into something we could follow.
To form crystals or cause something to form into crystals.
When it gets cold, the water in the pond will crystallize into ice.