Would a spell like ability count as a spell?

@JeremyECrawford @JOSEPH91304707
"Would a spell like ability"count as a spell? As per your reply I would say yes but now I'm unsure.

— Tom Pascuttini (@DK_Pyrial) October 13, 2016

@JeremyECrawford @JOSEPH91304707 first ex. Empyreal casting an innate spell casting ability then using a legendary action for an attack

— Tom Pascuttini (@DK_Pyrial) October 13, 2016