Main Entry: sure·ly

Pronunciation: \ˈshu̇r-lē, 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 <answered quickly and surely> (2) : without doubt : certainly <they will surely be heard from in the future — R. J. Lifton>
2 : indeed, really —often used as an intensive <you surely don't believe that>

usage see ²sure