Synonyms of 'dredge up'
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If a person or thing is discovered, someone finds them, either by accident or because they have been looking for them.
His body was discovered on a roadside outside the city.
If you uncover something, especially something that has been kept secret, you discover or find out about it.
Auditors said they had uncovered evidence of fraud.
Thesaurus for dredge up from the Collins English Thesaurus
If someone dredges up a piece of information they learned a long time ago , or if they dredge up a distant memory , they manage to remember it.