Definify.com
Webster 1913 Edition
Imperatively
Im-per′a-tive-ly
,adv.
 In an imperative manner. 
Webster 1828 Edition
Imperatively
IMPER'ATIVELY
,adv.
  Definition 2025
imperatively
imperatively
English
Adverb
imperatively (comparative more imperatively, superlative most imperatively)
-  In an imperative manner.
-  1922, James Joyce, Ulysses Chapter 13
- --Come here, Tommy, his sister called imperatively. At once! And you, Jacky, for shame to throw poor Tommy in the dirty sand. Wait till I catch you for that.
 
 
 -  1922, James Joyce, Ulysses Chapter 13
 
References
- imperatively in The Century Dictionary, The Century Co., New York, 1911
 - imperatively in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913