Indeed!

Catalan	De fet!
Chinese (transliterated)	Zhen de!
Croatian	Zaista!/Uistinu!
Danish	Virkelig!
Dutch	Inderdaad!
French	Vraiment!
German	In der Tat!
Hebrew (transliterated)	Be'emet!
Hungarian	Komolyan!
Italian	Davvero!
Japanese (transliterated)	Honto ni!
Korean (transliterated)	Jong mal ipnida!
Lithuanian	Is tiesu!
Modern Greek (transliterated)	Aletheia!
Norwegian	Virkelig!
Persian	Vage'an!
Polish	Faktycznie!
Portuguese	Decerto!/Realmente!
Russian (transliterated)	Neuzheli?!/Da nu?!
Serbian (transliterated)	Stvarno!
Spanish	¡Efectivamente!
Swedish	Verkligen!
Tagalog	Tagalá!
Turkish	Hakikaten!
Vietnamese	That vay!
Yiddish (transliterated)	Take!