Gushingly
/ˈɡʌʃɪŋli/
Definition 1 of 1
Pro Tip 1/3Emotional Intensity
Used to describe speech or actions that are very emotional, possibly overly so. 
He gushingly apologized for the mistake.
Pro Tip 2/3Positive Overload
Often implies an overwhelming amount of positive feelings, such as excitement or love. 
She gushingly accepted the award.
Pro Tip 3/3Can Be Excessive
Sometimes used to suggest that the enthusiasm is too intense or perhaps insincere. 
His gushingly grateful speech felt a bit much.