0 your opinion after considering all the information about something -- conclusione
1 used to begin the last part of a speech or a piece of writing -- in conclusione, per concludere
In conclusion, I would like to thank our speaker for her interesting talk. Per concludere, vorrei ringraziare la nostra relatrice per il suo interessante discorso.
2 an end -- conclusione
the conclusion of his speech.
3 a judgement -- conclusione