arguable
US /ˈɑːrɡ.ju.ə.bəl/
UK /ˈɑːrɡ.ju.ə.bəl/

1.
open to argument or dispute
:
•
It's arguable whether his approach was the best.
•
The claim that the economy is improving is highly arguable.
2.
able to be supported by good arguments
:
•
His theory is quite arguable given the new evidence.
•
The lawyer presented an arguable case for his client's innocence.