Finally (10)

(Other definitions for in the end that I've seen before include "Then Enid came at last" , "Eventually" , "Ultimately" , "At long last" , "Finally" .)

(Other definitions for at last that I've seen before include "Finally, having waited a long time" , "Where a snob worked" , "'In the end (2,4)'" , "Finally, after a long wait" , "Finally, ultimately" .)

(Another definition for atlast that I've seen is " ultimately".)

(Other definitions for lastly that I've seen before include "In the end" , "Finally, to conclude with" , "In conclusion" .)

(Other definitions for once and for all that I've seen before include "For the last time" , "how might an inclusively unique show be performed?" , "In a conclusive way" , "unique public statement?" , "Conclusively" .)