1. (of a body of water) free from disturbance by heavy waves
   "a lake of tranquil blue water reflecting a tranquil blue sky"
   - placid, quiet, still, smooth, unruffled 
2. Not agitated; without losing self-possession
   "she became more tranquil"; "tranquil life in the country"
   - calm, unagitated, serene

See also: calm, composed, tranquility, tranquillity, tranquilly

Encyclopedia: Tranquil Tranquil, Mississippi

• pull a face
• pull a fast one on
• pull ahead
• pull along
• pull at
• pull away
• pull chain
• pull down
• pull in one's horns
• pull off
• pull one's weight
• pull out all the stops
• pull round
• pull someone's leg
• pull strings
• pull tab
• pull the leg of
• pull the plug
• pull the wool over someone's eyes
• pull together
• pull up
• pull up short
• pull up stakes
• pull wires
• pull-in