demonstrar
de.mons.trar

vt
1 to demonstrate.
2 to prove by reasoning: ela demonstrou ser boa filha / she proved herself a good daughter.
3 to explain by examples.
4 to give evidence of, evince, show: ele demonstrou muita perseverança / he showed great perseverance.
5 to manifest, display.
6 to make a demonstration.
7 to show publicly (a merchandise).