Synonyms of the word 
GLEEFUL → ELATED - JOYFUL - JOYOUS - JUBILANT
gleeful
- adj. Exuberantly or triumphantly joyful.
elated
- adj. Extremely happy and excited; delighted; pleased.
- v. simple past tense and past participle of elate.
joyful
- adj. Feeling or causing joy.
joyous
- adj. Full of joy; happy.
jubilant
- adj. In a state of elation.
If you are interested in words, visit the following sites :
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- 1word.ws/gleeful to play with words, suffixs, prefixs, etc.