IPA: /ˈsaɪzəbli/
KK: /ˈsaɪzəbli/
In a way that is large in size or amount; significantly.
The project was sizably larger than we initially expected.
Sizably → It is formed from "size" (from Old French *sise*, meaning a measurement or dimension) and the suffix "-ably" (meaning in a manner that can be). The word "sizably" means in a manner that can be measured or is considerable in size.
Think of 'size' as a measurement and remember that 'sizably' means something is considerable or significant in measurement.