"flabbergast : (transitive) To overwhelm with bewilderment; to amaze, confound, or stun, especially..."

“flabbergast : (transitive) To overwhelm with bewilderment; to amaze, confound, or stun, especially in a ludicrous manner.
To mark World Health Day on 7 April and the benefits of being active, we are featuring a series of action words or verbs.”

- https://en.wiktionary.org/wiki/flabbergast#English

via Tumblr http://bit.ly/2ULZZnJ