convertible
adj.adj. able to be changed into a different form or used for a different purpose. You use this when something is flexible or can be swapped for something else.
adj. capable of being changed, exchanged, or adapted to a different form or purpose. Often used in financial contexts to describe securities that can be exchanged for another asset.
This sofa is convertible into a bed.
The company issued convertible bonds that investors could swap for shares later.
In logic, a valid argument is not necessarily convertible, meaning the truth of the conclusion does not guarantee the truth of the premises.
From Old French convertible, from Late Latin convertibilis (“interchangeable”), from Latin convertere (“to turn back, to turn over, to turn around, to turn upside down”), from con- (“with, together”) + vertere (“to turn”), + -ibilis (“-ible: able to”). Equivalent to convert + -ible.