surely

Meanings

1. 1
   adv

   definitely or positively (`sure' is sometimes used informally for `surely')

   the results are surely encouraging

2. 2
   adv

   Without fail.

   slowly but surely

3. 3
   adv

   Certainly, undoubtedly.

   Surely, you must be joking.

4. 4
   adv

   With confidence.

   His feet were planted surely on the ground.

Etymology

From Middle English surely; equivalent to sure + -ly.