IPA: /kəˈlɛktɪvli/
KK: /kəˈlɛktɪvli/
In a way that involves a group acting together as one unit or in a combined manner.
The team worked collectively to achieve their goal.
Collectively → It is formed from "collect" (from Latin "collectus", meaning gathered together) and "-ively" (a suffix forming adverbs indicating manner). The word "collectively" means in a manner that involves gathering or acting together as a group.
Think of gathering things 'together' ('collect') and doing so 'in a manner' ('-ively'). This helps you remember that collectively means acting as a group.