The most common and most likely answer to this crossword clue is the 5 letter word POWER
P
O
W
E
R
More clues leading to the result POWER
- Tucked in to endless meat: we might
- Might be indebted for interrupting press release
- Influence someone £0.01 overdrawn?
- Might of monarch supporting prisoner of war
- Colditz prisoner, perhaps, with little hesitation, might
- Authority‘s a problem with society being overrun by women?
- Might have an obligation to reside in Porbandar’s outskirts
- Might prisoner meet the Queen?
- Authority in parliament often weak, evidently rubbish leaders
- Very modest debtor might
Buddy explains!

The straight part
We know that "Authority" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case authority = power.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 POWER mean?
POWER noun- Ability to do or undergo something.
- (social) Ability to coerce, influence or control.
- (physical) Effectiveness.
- A large amount or number.
- Any of the elementary forms or parts of machines: three primary (the lever, inclined plane, and pulley) and three secondary (the wheel-and-axle, wedge, and screw).
- A measure of the effectiveness that a force producing a physical effect has over time. If linear, the quotient of: (force multiplied by the displacement of or in an object) ÷ time. If rotational, the quotient of: (force multiplied by the angle of displacement) ÷ time.
- A product of equal factors (and generalizations of this notion): x^n, read as "x to the power of n" or the like, is called a power and denotes the product x \times x \times \cdots \times x, where x appears n times in the product; x is called the base and n the exponent.
- Cardinality.
- The probability that a statistical test will reject the null hypothesis when the alternative hypothesis is true.
- (in plural) In Christian angelology, an intermediate level of angels, ranked above archangels, but exact position varies by classification scheme.
- To provide power for (a mechanical or electronic device).
- To hit or kick something forcefully.
- To enable or provide the impetus for.
- Impressive.