smoothly

adv.

In a smooth manner.

---

adv

Definition: evenly
Antonyms: roughly

adv

Definition: steadily
Antonyms: jerkily

adv

Definition: suavely
Antonyms: abrasively

adv

Definition: without a hitch
Antonyms: disastrously

---

IN BRIEF: Even and uninterrupted.

The best games are not those in which all goes smoothly and steadily toward a certain conclusion, but those in which the outcome is always in doubt. — George Leonard.