Ask out
Definition 1 of 2
Pro Tip 1/3Romantic Intent
Used when someone wants to start a romantic relationship. 
Tom asked Julie out to see if there was a romantic spark.
Pro Tip 2/3Potential Rejection
It carries a risk of 'no' as an answer when asking for a date. 
Sam hesitated to ask Alex out, fearing rejection.
Pro Tip 3/3Casual Suggestion
It can be used casually without too much pressure. 
Do you think I should just ask her out for coffee?