Here are some Tagalog terms that could be used depending on the context:
* Pagbabangon (rebuilding, resurrection) - This can be used when referring to the act of rebuilding something that has been destroyed or lost.
* Pagpapanumbalik (restoration, reinstatement) - This is suitable when referring to bringing something back to its original state.
* Pag-aayos (reconstruction, repair) - This emphasizes the act of fixing or restoring something to a functional state.
* Pag-iisa-isa (re-assembly, putting back together) - This is used when referring to the act of putting something back together that has been disassembled.
* Pagsasama-sama (reunion, reunification) - This refers to the act of bringing people or groups together again.
For a more accurate translation, please provide more context about the situation where "reconstitution" is used.