solidified
adj. B2 Upper Intermediate US //səˈɫɪdəˌfaɪd// UK //səlˈɪdɪfˌaɪd// so·lid·i·fied
adj. describing something that has become hard, firm, or very strong. You use this when a liquid turns into a solid or when an idea or plan becomes final.
adj. having become hard or compact through cooling or pressure; metaphorically, having become certain or established. Often functions as a participial adjective describing a state rather than an action.
The cold weather left us with solidified ice on the pond.
After weeks of negotiation, the team finally had a solidified plan for the product launch.
The volcanic rock, once molten and flowing, had become a solidified mass of basalt that dominated the landscape for miles.
Usage
Often follows a linking verb like 'become' or 'remain', or precedes a noun as a modifier.