IPA: /prəˈfɛʃənəli/
KK: /prəˈfɛʃənəli/
In a way that is suitable for a professional or done by someone who is skilled and trained in a particular field.
She handled the situation very professionally, ensuring that everyone felt respected.
Professionally → It is formed from "profession" (from Latin "professio", meaning a public declaration or profession) and the suffix "-ally" (meaning in a manner relating to). The word "professionally" means in a manner relating to a profession or occupation.
Think of making a 'public declaration' about your work ('profession') and doing it 'in a manner' ('-ally') that reflects your skills and expertise.