1. With ability to see into deeply
   "the author treats his subject penetratingly"
   - penetratively

See also: penetrating

• Holland
• Holland gin
• hollandaise
• Hollander
• Hollands
• holler
• holler out
• hollering
• Hollerith
• Hollerith card
• hollo
• holloa
• hollow
• hollow out
• hollow-back
• hollow-eyed
• hollow-horned
• holloware
• hollowly
• hollowness
• hollowware
• holly
• holly family
• holly fern
• holly-leaf cherry