Careful Words

indebted (adj.)

A grateful mind

By owing owes not, but still pays, at once

Indebted and discharg'd.

John Milton (1608-1674): Paradise Lost. Book iv. Line 55.

  The Right Honorable gentleman is indebted to his memory for his jests, and to his imagination for his facts.

Richard Brinsley Sheridan (1751-1816): Speech in Reply to Mr. Dundas. Sheridaniana.