Also, be touched with. Be affected by some emotion, especially a tender feeling like gratitude, pity, or sympathy. For example, She was very touched by his concern for her welfare. This idiom alludes to touching or reaching one's heart, the seat of emotions. [First half of 1300s]
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.