IPA: /ˈfɪtli/
KK: /fɪtli/
In a suitable or proper way; appropriately.
She fitly expressed her thoughts during the meeting.
Fitly → It is formed from "fit" (from Old English "fitt", meaning suitable or appropriate) and "-ly" (a suffix meaning in a manner of). The word "fitly" means in a manner that is suitable or appropriate.
Think of something being done in a way that is 'suitable' — 'fit' means suitable, and '-ly' indicates the manner. This helps you remember that 'fitly' means to do something suitably.