Synonyms of 'crystallize'
1 take shape
Now my thoughts really began to crystallize.
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Stalactites and stalagmites began to form.
When something hardens or when you harden it, it becomes stiff or firm.
Mould the mixture into shape before it hardens.
Thesaurus for crystallize from the Collins English Thesaurus
If you crystallize an opinion or idea, or if it crystallizes , it becomes fixed and definite in someone's mind .