The phrase "sustainable footing" means having a stable, long-lasting, and balanced position or situation that can be maintained without causing harm to the environment or future generations. Full definition
It has said previously that the funding «was always intended to be temporary to help small schools to put their meals service on a more sustainable footing». (educationbusinessuk.net)
The Secretary of State for Work and Pensions, Iain Duncan Smith, said the core aim of the Bill is to «to secure this country's retirement system, putting it on a stable and sustainable footing for the future.» (conservativehome.blogs.com)