Fetching details from the dictionary...

depending on
as soon as; immediately after; upon
as (e.g. "as one is told", "as one wishes"); whatever (e.g. "whatever is at hand")
order; program; programme; precedence
circumstances; course of events; state of things
reason
天気次第で明日の予定を変えよう。
Let's change plans depending on the weather.
詳細が分かり次第ご連絡します。
I will contact you as soon as the details become clear.
結果次第では計画を全面的に見直す。
We'll review the plan depending on the results.