Smoothly.

simple past tense and past participle of smooth

The act by which something is made smooth. / (phonetics, phonology) Monophthongization.

present participle of smooth

(mathematics, statistics) The mathematical process of fitting a smooth curve to dispersed data points.

A person who accomplishes tasks with efficiency and grace, especially one with verbal skills who is persuasive in interpersonal relationships, negotiation, etc.

(idiomatic, uncountable) Used to describe an activity that is not encountering any problems.

plural of smooth operator

(poker) To call a raise, as opposed to folding or reraising, often to disguise the strength of one's hand.

Extremely smooth (in any sense).