allestirebbe
Allestirebbe is the conditional mood, third-person singular form of the Italian verb allestire. The verb allestire generally translates to "to set up," "to equip," "to furnish," or "to prepare." Therefore, "allestirebbe" would mean "he/she/it would set up," "he/she/it would equip," "he/she/it would furnish," or "he/she/it would prepare."
This verb form is used to express a hypothetical or conditional action in the past or future.
Similarly, in a predictive or uncertain future context, it might appear as "Pensavano che allestirebbe una bella
The specific meaning of "allestirebbe" in a given context will depend on the subject performing the action