fifthly

from WordNet (r) 3.0 (2006)
fifthly
    adv 1: in the fifth place; "fifthly, we must adhere to the rules
           set by the local government"
    
from The Collaborative International Dictionary of English v.0.48
Fifthly \Fifth"ly\, adv.
   In the fifth place; as the fifth in order.
   [1913 Webster]
    

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