verb

visitare

visit · to visit

Andare in un luogo o da una persona per conoscere, vedere o passare del tempo.

Visitare means to visit: to go to a person or place, often for a particular purpose.

To visit someone: Vado a visitare mia nonna. — “I’m going to visit my grandmother.”
To explore a place: Abbiamo visitato Roma. — “We visited Rome.”
To examine a patient, especially as a doctor: Il medico visita il paziente. — “The doctor examines the patient.”

Visitare is a regular -are verb, normally followed directly by the person or place being visited.

It comes from Latin visitare, meaning “to go to see” or “to inspect.”

andare a trovare — “to go and see”; especially common for visiting a person.
esplorare — “to explore”; emphasizes discovering a place rather than simply visiting it.
esaminare — “to examine”; a broader alternative in the medical sense.

There is no direct antonym that applies to every meaning.