lay a foundation
B1CEFR level
38/100Rarity: fairly common
TechnicalRegister
To establish the preliminary facts that render a subsequent piece of evidence admissible.
You can't put the ledger in until you lay a foundation through someone who actually kept it.
Rarity runs from 0 (a word everyone knows) to 100 (almost never seen outside specialist or literary writing). Level is the word's real difficulty on the CEFR scale, from A1 to C2.
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