The Portuguese word for to taste is
ter gosto de

Portuguese Definition

taste
1. Substantivo. gosto

ter gosto de
1. to taste

saber
1. v. to know
2. v. to be aware of a fact
Perguntaram-me a resposta, mas eu não sabia. - They asked me the answer, but I didn’t know.
Sei que é verdade. - I know it’s true.
3. v. to be aware of a value or piece of information
Eu sei qual é a capital da Assíria. - I know what is the capital of Assyria.
Ele sabe duzentos algarismos do número neperiano. - He knows two hundred digits of Euler’s number.
4. v. (auxiliary) to know how to do something
Não sei fazer isso, mas ela sabe. - I don’t know how to do this, but she knows.
Sabes falar russo? - Can you speak Russian?
5. v. (indtr, sobre) to know about; to have heard about
Soube da explosão que houve no centro? - Have you heard about the downtown explosion?
6. v. (Portugal) indtr, a to taste of (to have the same taste as)
Um bom vinho sabe a carvalho. - A good wine tastes like oak.
7. v. (Portugal) to have a pleasant taste
Como sabe esse vinho! - How good does this wine taste!
8. v. to learn (to become informed of something)
Eles querem saber mais sobre o projeto. - They want to learn more about the project.
9. n-m. knowledge; lore (intellectual understanding)

provar
1. v. to prove, show, to demonstrate that something is true, to give proof for
2. v. to try, try out, test
3. v. to try, attempt, take on
4. v. to try on (of clothes)
5. v. to taste, to try (to sample the flavour of food)

experimentar
1. v. to experience
2. v. to experiment
3. v. to try (taste of food, fit of clothing etc.)
4. v. to attempt

Dictionary entries from Wiktionary