LEARNit Dictionary

theoretically

adverb
OPAL
1
in a way that is connected with the ideas and principles on which a particular subject is based, rather than with practice and experiment
به صورت نظری, از لحاظ نظری, تئوریکاً, از نظر تئوری, در تئوری, بر اساس اصول نظری
opposite experimentally(1), practically(2)
2
in a way that could possibly exist, happen or be true, although this is unlikely
به‌طور نظری, طبق تئوری, فرضاً, به‌صورت نظری
It is theoretically possible for him to overrule their decision, but highly unlikely.