Corroborate
/kəˈrɒb.ə.reɪt/ verb mediumTo provide supporting evidence that confirms a statement or theory is true.
Two independent witnesses corroborated the driver's account of how the accident occurred.
Memory Trick
Hidden inside the word is 'robor,' a Latin root for strength (as in 'robust') — corroborating evidence makes a claim as sturdy as oak.