Main Entry: sure·ly Pronunciation: \ˈshu̇r-lÄ“, especially Southern ˈshȯr-\ Function: adverb Date: 14th century 1 : in a sure manner: a archaic : without danger or risk of injury or loss : safely b (1) : with assurance : confidently (2) : without doubt : certainly 2 : indeed, really —often used as an intensive usage see 2sure
“Main Entry: sure·ly Pronunciation: \ˈshu̇r-lÄ“, especially Southern ˈshȯr-\ Function: adverb Date: 14th century 1 : in a sure manner: a archaic : without danger or risk of injury or loss : safely b (1) : with assurance : confidently (2) : without doubt : certainly 2 : indeed, really —often used as an intensive usage see 2sure”
Or just go rent the movie ‘Airplane’.