seeing that

To make sure or certain that one does something, that some task is accomplished, or that some action is taken. Please see that the report is finished by Friday. The company has seen to it that all customers affected by the defect will receive a full refund. Please see that you're all here on time tomorrow.

Considering (whatever is stated after "that"). Seeing that it's pouring rain and all, how about we reschedule the picnic?

considering...; since... Seeing that she has no money, Sally won't be going shopping. Seeing that it's raining, we won't go to the beach.

Also, seeing as or seeing as how. In view of, inasmuch as. For example, Seeing that you're coming anyhow, I decided not to take notes for you, or Seeing as they liked her first book, they were sure to make a good offer for the second one . The first expression was used by Shakespeare in Julius Caesar (2:2): "Seeing that death, a necessary end, will come when it will come." The variants are colloquialisms and are recorded from the second half of the 1900s, although they probably have been in much longer use orally.