conservatively

adverb
1
in a way that shows that you are opposed to great or sudden social change; in a way that shows that you prefer traditional styles and values
به طور محافظه‌کارانه, به طور سنتی, سنتیوار
2
a figure that has been estimated conservatively is probably lower than the real amount or number
به طور محافظه‌کارانه, محتاطانه
Estimated earnings from tourism are conservatively estimated at £150m annually.