For She's a __ Fellow, Song for a Birthday Girl

This page is the CodyCross answer for the clue below from Top Secret, Group 2099, Puzzle 1 (Signal Jammer).

Question is: For She's a __ Fellow, Song for a Birthday Girl

and the answer is: JOLLYGOOD

Word Meaning:

JOLLY — Full of merriment and high spirits; jovial; joyous; merry.

Definitions from Wiktionary.

For she's a __ fellow, song for a birthday girl — CodyCross Answer | CodyCross Solutions