The phrase "gradual approach" means taking small steps or making slow progress towards a goal, rather than doing things quickly or all at once. Full definition
If you have a child who is more stubborn or resistant to change, than a more gradual approach usually works better. (verywellfamily.com)
But personally, I'd favor a more gradual approach. (monevator.com)
When central banks say they will take an extremely gradual approach to reducing their balance sheets, they are making a major assumption that inflation will remain tame. (wealthmanagement.com)