lastly
Pronunciation:
/ˈlɑːstli//ˈlæstli/adverb
Definitions
(sequence) Used to mark the beginning of the last in a list of items or propositions.
Example: Firstly, that's illegal; secondly, it has serious disadvantages; thirdly, it's not necessary; and lastly, did I mention that it's illegal?
(discourse marker) Used to signal that the speaker is about to yield control of the conversation.