IPA: /kənˈvɛnʃənəli/
KK: /kənˈvɛnʃənəli/
In a way that is based on accepted customs or practices, rather than being unusual or different.
She dressed conventionally for the formal event, wearing a classic black dress.
Conventionally → It is formed from "convention" (from Latin "conventio", meaning agreement or assembly) and the suffix "-ally" (meaning in a manner). The word "conventionally" means in a manner that is based on or in accordance with an agreement or established practice.
Think of 'convention' as an agreement or established practice, and remember that 'conventionally' means doing something in a way that follows that agreement.