Words of Italian origin have entered other languages.

al dente 

from al (a preposition + il article) and dente, ="tooth" (al dente could be translated as "slightly underdone"; it's used particularly to specify the clicking consistency of properly done pasta)

balcony 

from balcone

ballot 

from ballote

bandit 

from bandito

belvedere, a kind of gazebo 

from belvedere ="nice view"

bordello 

from bordello

bravo 

from bravo, ="skillful, good (at something), brave (not very common in current Italian)"

broccoli 

from plural of broccolo, ="cabbage-sprout or top"

cameo 

from caméo

canto, subdivision of a long poem 

from canto ="song, singing"

capriccio 

from capriccio ="sudden start, motion, or freak"

casino 

from casino, ="small house", diminutive of casa

cupola 

from cupola, ="little cask"

fantasia 

from fantasia, ="fancy"

folio 

from folio, ="leaf"

forte, a musical direction for 'loud' 

from forte ="strong, loud"

galleria 

from galleria, ="arcade"

giraffe 

from giraffa

gonzo 

from gonzo, ="fool(ish)"

imbroglio 

from imbroglio, "an entangling, an enwrapping, a garboile"

incognito 

from incognito (from Latin in + cognitus), ="unknown"

influenza 

from influenza

lava 

from lava

macaroni 

from maccheroni, plural of maccherone

Madonna 

from madonna, ="my lady"

malaria 

from malaria

manifesto 

from manifesto, ="manifest"

neutrino 

from neutrino, ="little neutron"

obbligato 

from obbligare, ="to oblige"

oboe 

from oboè, òboe (actual Italian form)

opera 

from opera, ="a work produced"

operetta 

from operetta, ="little opera"

panini 

from panini, plural of panino, ="bread roll"

paparazzi 

from paparazzi, plural of paparazzo

pasta 

from pasta

pesto 

from pesto, ="crushed"

piano 

from piano, ="soft"

pianoforte 

from pianoforte, ="soft-strong"

piazza 

from piazza, ="square, marketplace"

piccolo 

from piccolo, ="small"

propaganda 

from propaganda, ="congregation for propagating the faith"

pizza 

from pizza

radicchio 

from radicchio, ="chicory"

replica  

from replica

spaghetti 

from spaghetti, plural of spaghetto, ="little string"

stanza 

from stanza, ="room"

stiletto 

from stiletto, ="little dagger"

studio 

from studio, ="study"

tariff 

from tariffa

timpani 

from timpani, plural of timpano, ="kettledrum"

torso 

from torso, ="stalk, stump"

tortellini 

from tortellino, ="little cake"

umbrella 

from ombrello

vendetta 

from vendetta, ="vengeance"

vermicelli 

from vermicelli, ="little worms"

volcano 

from vulcano (from Latin vulcanus)

zabaglione 

from zabaglione, zabaione (actual Italian form)

zucchini 

from zucchini, plural of zucchino, ="small gourd"