Prove

comprobar

(to demonstrate that something is true; to give proof for)

constatar

(to demonstrate that something is true; to give proof for)

demonstrar (disused)

(to demonstrate that something is true; to give proof for)

demostrar

(to demonstrate that something is true; to give proof for)

ejecutoriar

(to demonstrate that something is true; to give proof for)

evidenciar

(to demonstrate that something is true; to give proof for)

probar

(to demonstrate that something is true; to give proof for)

probar

(to put to the test, to make trial of)

testear (Arg.)

(to put to the test, to make trial of)

validar

(to ascertain or establish the genuineness or validity of; to verify.)

verificar

(to ascertain or establish the genuineness or validity of; to verify.)