Exogenous,

Definition of Exogenous:

1. Relating to or developing from external factors.

2. Caused or produced by factors external to a model, organism, organization, or system. Opposite of endogenous.

How to use Exogenous in a sentence?

1. The deleterious effects suffered by the rainforest over the past several decades are due solely to exogenous factors, chiefly man, and have nothing to do with natural processes .
2. Technological changes exogenous to the oil industry.
3. If something out of your control takes an exogenous turn you must be able to keep a level head and come up with the correct solution.
4. Sometimes something exogenous will happen that is out of your control and you will have to handle it in the correct way.