The most common and most likely answer to this crossword clue is the 2 plus 1 plus 6 plus 2 plus 4 letter word AS A MATTER OF FACT
A
S
A
M
A
T
T
E
R
O
F
F
A
C
T
More clues leading to the result AS A MATTER OF FACT
- In reality a missile at end of life mostly has bad performance
- Actually in bad form, fat cat at sea
- Area with a pedestrian crossing’s fourth to be included, actually
- Truly clever chap needed in statecraft of a new order
- In reality show amateur is put in a spot leaving first
- Like half of non-professionals, classy chap’s to perform without hesitation. Truly!
- Really attracts fame of a different order
- Raging at fame, or fat cats, in reality
Buddy explains!

The straight part
We know that "Truly" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case truly = as a matter of fact.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.