coming before other points, questions, etc
WordReference Random House Unabridged Dictionary of American English © 2025
first•ly
(fûrst′lē),USA pronunciation adv.
- in the first place;
first.
- first + -ly 1525–35
Collins Concise English Dictionary © HarperCollins Publishers::
'firstly' also found in these entries (note: many are not synonyms or translations):