Move circumspectly, not meticulously, and rather carefully solicitous than anxiously solicitudinous.    From Wordnik.com.  [Library of the World's Best Literature, Ancient and Modern — Volume 6] Reference

Driven into taciturnity, Mr. Bossolton again inspected the arm, and proceeded to urge the application of liniments and bandages, which he promised to prepare with the most solicitudinous despatch and the most despatchful solicitude.    From Wordnik.com.  [The Disowned — Complete] Reference