All answers begin with AR.
-1. AR + A male descendant = The crime of intentionally setting fire to property.
-2. AR + To attempt to equal or surpass = Accomplishment of an objective. 7 letters
-3. AR + A line of seats in a cinema or theatre = A mark to indicate a direction or relation.
-4. AR + Clever and skilful; capable = Fit for cultivation, as by plowing. 6
-5. AR + A place equipped for practice in shooting at targets = To make preparations.
6. AR + A concavity in a surface produced by pressing = Hot or burning; causing a sensation of burning. 6
-7. AR + To rise on the hind legs, as a horse = That which is behind in payment, or which remains unpaid. 6
-8. AR + A man of refinement = Heraldry; The metal silver, represented by the colour white. 6
-9. AR + A shrub or climbing plant with prickly stems and fragrant flowers = To drench; to besprinkle or to moisten. 6
-10. AR + To be at peace or ease; be tranquil = The act of detaining in legal custody. 6