Source : Webster's Revised Unabridged Dictionary (1913)

Statesmanly \States"man*ly\, a.
   Becoming a statesman.

Source : WordNet®

statesmanly
     adj : marked by the qualities of or befitting a statesman; "a man
           of statesmanlike judgment"; "a statesmanlike solution
           of the present perplexities"-V.L.Parrington [syn: {statesmanlike}]
           [ant: {unstatesmanlike}]