The most common and most likely answer to this crossword clue is the 6 letter word ORNATE
I've seen this crossword clue in The Times
O
R
N
A
T
E
More clues leading to the result ORNATE
- Old sailors had a meal — fancy!
- Flashy gold kind of string around bronze back
- Fancy gold and brown backing on rear of vehicle
- Detailed lecture about Newton
- Decorated knight brought in to give a speech
- Like some fancy stuff old sailors had
- Speak pompously about knight decorated
- Make a speech about new fancy
- Fancy spout, outside fountain's ultimate feature
- Speak grandly about new fancy
Buddy explains!

The straight part
We know that "Fancy" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case fancy = ornate.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 ORNATE mean?
ORNATE verb- To adorn; to honour.
- Elaborately ornamented, often to excess.
- Flashy, flowery or showy
- Finely finished, as a style of composition.