petrify

American Heritage® Dictionary of the English Language, Fourth Edition

1. v. To convert (wood or other organic matter) into a stony replica by petrifaction.
2. v. To cause to become stiff or stonelike; deaden.
3. v. To stun or paralyze with terror; daze.
4. v. To become stony, especially by petrifaction.

Century Dictionary and Cyclopedia

1. To convert into stone or a stony substance; change into stone.
2. To make hard as stone; render hard or callous: as, to petrify the heart.
3. To paralyze or stupefy as with fear or amazement: as, to petrify one with astonishment.
4. To become stone or of a stony hardness, as organic matter by means of calcareous or other deposits in its cavities; hence, to change into lifeless hardness or rigidity.

Wiktionary

1. v. To harden organic matter by permeating with water and depositing dissolved minerals.
2. v. To produce rigidness akin to stone.
3. v. To immobilize with fright.
4. v. intransitive To become stone, or of a stony hardness, as organic matter by calcareous deposits.
5. v. intransitive, figuratively To become stony, callous, or obdurate.

GNU Webster's 1913

1. v. To convert, as any animal or vegetable matter, into stone or stony substance.
2. v. To make callous or obdurate; to stupefy; to paralyze; to transform; as by petrifaction. Young.
3. v. To become stone, or of a stony hardness, as organic matter by calcareous deposits.
4. v. Fig.: To become stony, callous, or obdurate.

WordNet 3.0

1. v. cause to become stonelike or stiff or dazed and stunned
2. v. change into stone
3. v. make rigid and set into a conventional pattern