Possible Clues:

• "___ to leap tall buildings . . ."
• Am I so competent as to be friendly?
• Not a sound cane for the seaman
• With the power (to do something)
• A president without money, but with some power
• Competent and equipped
• Efficient porter grabbed first of bags
• Fully competent
• Accomplished the discontinuation of extremes of medication
• - -bodied; - seaman