1. feeling or expressing gratitude; appreciative.
2. aware and appreciative of a benefit; grateful.
a. a compound word of the adverb "thankfully" and phrase "thank God."
b. used as an interjection to express relief, etc.
c. plural Gods may be substituted, if necessary.
I spent all day coding a new application with Sam; thankgodfully Damon didn't assist because everything would've blown up into a million bits in the air like in Willy Wonka and the Chocolate Factory.