To make effective or actual; to convert something potential into a real, working result.
From 'effectual' plus the suffix '-ize' (to make or cause to be). The construction literally means 'to make actual or effective in practice.'
This is a rare word that captures the business/engineering mindset—'effectualizing' a plan means moving it from theory to real implementation. It's the verbal form of turning abstract designs into functioning systems.
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