(しだい)

しだい
noun, suffix
order, circumstances; as soon as; depending on
1. order, sequence, circumstances
The order of events or how things came about.
そういう次第(しだい)です
That's how things stand.
次第(しだい) = circumstances
Please explain the circumstances of the matter.
I will explain in detail the circumstances that led to this.
2. depending on
Used as a suffix meaning 'depending on' or 'up to'.
The result depends on your effort.
次第(しだい) = depending on
I'll change my plans depending on the weather.
Whether you can pass or not depends on your efforts.
3. as soon as
Used with verb stem to mean 'as soon as' or 'immediately upon'.
I will contact you as soon as it arrives.
Verb stem + 次第(しだい) = as soon as
I will let you know as soon as I find out.
Let's depart as soon as preparations are finished.

次第(しだい) has multiple uses as both a noun and suffix.

AS A NOUN:

AS A SUFFIX (〜次第(しだい)):

WITH VERB STEM:

REGISTER: Somewhat formal, common in business and written Japanese.