depending on circumstances; as the occasion demands
A somewhat formal fixed expression used to indicate that an action or decision will be made according to the situation. Often used in business or official contexts.
We need to change our response depending on the circumstances.
Depending on the situation, we may also consider postponing the plan.
Composed of 時宜 (じぎ, 'right time; opportunity') + によって ('depending on'). The word 時宜 itself is a Sino-Japanese compound from 時 (time) and 宜 (suitable, appropriate).