A "viable strategy" refers to a practical and effective plan that has a good chance of achieving its goals or objectives. It is a strategy that is realistic, feasible, and has the potential to succeed. Full definition
Focus on the formulation and dissemination of viable strategies for the company. (entrepreneur.com)
As a result, a «shotgun» approach where you contact lots of more attractive people is a more viable strategy that is less threatening to your ego. (scienceofrelationships.com)
While that might have been the only viable strategy in the early stages of the recovery, it doesn't seem like a sustainable trend in the long term. (canadianbusiness.com)