1) Beamed 2) Emulated a Cheshire cat 3) Imitated the Cheshire Cat 4) Looked like the Cheshire cat 5) Showed defiance 6) Showed delight 7) Smiled broadly 8) Smiled like the cheshire cat 9) Smiled widely Found on https://www.crosswordclues.com/clue/grinned
1) Beamed 2) Emulated a Cheshire cat 3) Imitated the Cheshire Cat 4) Looked like the Cheshire cat 5) Showed defiance 6) Showed delight 7) Smiled broadly 8) Smiled like the cheshire cat 9) Smiled widely 
• (imp. & p. p.) of Grin