Answer:

valid

Answer	Crossword Clue
VALID	Legal
VALID	Convincing
VALID	Well-grounded

VALID	Bona fide
VALID	Genuine
VALID	Good, as a ticket
VALID	Sound
VALID	Justifiable
VALID	In force
VALID	Having legal force
VALID	Still in force

VALID	Logically sound
VALID	Not phony
VALID	In effect
VALID	Legitimate
VALID	Well-founded
VALID	Sound, as reasoning
VALID	Well grounded
VALID	Legally binding

VALID	Able to hold water?
VALID	Logically correct
VALID	Binding, as a contract
VALID	Legally binding, as a contract
VALID	Authentic
VALID	Demonstrably true
VALID	Not yet lapsed
VALID	Legally sound

VALID	Still in effect
VALID	Good
VALID	Cogent
VALID	Authoritative.
VALID	Cogent.
VALID	Sound.
VALID	Well-grounded.
VALID	Well grounded.

VALID	Effective.
VALID	Legally binding.
VALID	Having legal force.
VALID	Lawful.
VALID	In force.