Explanation
Indicates an assumption or supposition; 'assuming', 'under the assumption that'.
Formation
Verb-casual + ものとして, い-Adjective + ものとして, な-Adjective + なものとして, Noun + のものとして
Detailed explanation
The ～ものとして grammar pattern is used to express a supposition or assumption: 'assuming that ~', 'on the premise that ~'. It often sets up a condition or rule as the basis for some action or decision.
Examples
Ame ga furu mono to shite, kasa o motte ikimashita.
Assuming it would rain, I took an umbrella.
Kare ga byouki na mono to shite, kawari ni watashi ga shusseki shita.
On the assumption that he was sick, I attended in his place.
Kono keeki ga oishii mono to shite, minna ni wakeyou.
Let’s share this cake, assuming it’s delicious.
Kanojo ga gakusei no mono to shite, gakuwari o tekiyou shimashita.
Assuming she is a student, I applied the student discount.
Practice
Grammar content sourced from hanabira.org.