The most common and most likely answer to this crossword clue is the 6 letter word CRUISE
I've seen this crossword clue in The Daily Telegraph
C
R
U
I
S
E
More clues leading to the result CRUISE
- Travel game is taking place in Anglican church
- Sailors said to move smoothly
- I’m told boatmen go sailing
- Move smoothly as rowing teams in sound
- . Told sailors to go off to sea
- Rowing teams said to move smoothly
- Tom‘s drive to find a temporary partner?
- American player, Tom, to progress smoothly
- Passage in main that’s relaxing actor
- One goes in an old vessel for a voyage
Buddy explains!

The straight part
We know that "Voyage" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case voyage = cruise.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does CRUISE mean?
CRUISE noun- A sea or lake voyage, especially one taken for pleasure.
- Portion of aircraft travel at a constant airspeed and altitude between ascent and descent phases.
- A period spent in the Marine Corps.
- To sail about, especially for pleasure.
- To travel at constant speed for maximum operating efficiency.
- To move about an area leisurely in the hope of discovering something, or looking for custom.
- To inspect (forest land) for the purpose of estimating the quantity of lumber it will yield.
- To actively seek a romantic partner or casual sexual partner by moving about a particular area; to troll.
- (child development) To walk while holding on to an object (stage in development of ambulation, typically occurring at 10 months).
- To win easily and convincingly.