Crossword puzzle clue "stamp perhaps"

to stamp mail with an official mark

to wind in even rings

DENY, to declare to be untrue, also DENAY

to declare one's approval, also INDORSE

to date incorrectly

to attest to as a notary, also NOTARISE

to validate again

a Syrian cloth of goat's or camel's hair; an outer garment made of it, also ABA, ABAYA