Circumspectly

He walked very slowly and circumspectly, and there was something indescribably guilty and furtive in his whole appearance.

Source: tatoeba (6617190)

Coverage of Mr. Carter’s many Monitor Breakfasts reveals a man ready to shake things up, in his own way. At the 1974 gathering, when he publicly revealed his presidential aspirations, he said he would ask for the power to use wage and price controls to address the struggling economy – “but I would use it circumspectly,” he added.

Source: wiktionary