theoretically

US /ˌθiː.əˈret̬.ə.kəl.i/
UK /ˌθiː.əˈret̬.ə.kəl.i/
"theoretically" picture
1.

in theory; in an ideal or hypothetical way, rather than in practice

:
Theoretically, this plan should work perfectly.
You could theoretically finish the project by tomorrow, but it would be very difficult.