"Appropriate outlets" refers to suitable or acceptable places or methods for expressing or releasing emotions, energy, thoughts, or activities. Full definition
We must provide appropriate outlets for this energy, otherwise the dog will come up to their own devices on how to relieve this energy. (srdogtraining.com)
It is somewhat unrealistic for owners to think they can eliminate the behavior; rather, time is better spent on providing appropriate outlets as to avoid destruction to furniture and other household items. (vetmed.illinois.edu)
A kennel situation can be difficult for an athletic, bright, and playful dog if he or she is not given appropriate outlets to exercise both body and mind. (pbrc.net)