confirmatory
11 synonyms for confirmatory, grouped by meaning and by how common each one is.
Adj — Helping to prove or support that something is true.
Synonyms
Less common
Still standard English, but they carry more weight.
Rare, literary or technical
Precise, but they will stand out — check the sense before using one.
validatory
verifying
validating
substantiating
corroborative
verificatory
substantiative
corroboratory
confirmative