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

To pass or progress quickly and easily.

present participle of set sail

Third-person singular simple present indicative form of set sail

(nautical) One of the sails on the mizzenmast, or on the stays between the mainmast and mizzenmast.

sailboat

(nautical) To carry an unusual amount of sail in an attempt to accelerate the speed of a vessel.

(nautical) A canvas cover laced over furled sails etc. to keep them dry and clean.

(nautical, archaic) To lower the sails (in preparation for dropping anchor, to salute or signal submission, in sudden gusts of wind, etc.).

(nautical) To extend an additional quantity of sail (i.e. to spread a sail or sails). / (figuratively) To embark; start a voyage.