substantiate
131underpin — transitive verb Date: 1522 1. support, substantiate < underpin a thesis with evidence > 2. to form part of, strengthen, or replace the foundation of < underpin a structure > < underpin a sagging building > …
132verify — transitive verb ( fied; fying) Etymology: Middle English verifien, from Anglo French verifier, from Medieval Latin verificare, from Latin verus true Date: 14th century 1. to confirm or substantiate in law by oath 2. to establish the truth,… …
