Collocations for valid - adj.

be
become
remain, stay
deem sth, hold sth
The original written contract was held valid.

still
Is your passport still valid?

no longer
legally
Is the contract legally valid?

for
These discounts are valid for travel within the continental United States.

be, seem
become
remain
accept sth as, consider sth, deem sth, regard sth as
We accepted several different approaches as valid.

extremely, fairly, very, etc.
absolutely, completely, perfectly, quite
This is a perfectly valid question to raise.

not entirely
reasonably
equally
We use a different, but equally valid, technique.

universally
a universally valid set of moral principles

not necessarily (esp. BrE), not strictly (esp. AmE)
The agreement is not necessarily valid in other countries.
That argument is not strictly valid in this case.

still
no longer
The old assumptions are no longer valid.

logically, scientifically, statistically
a logically valid deduction

Valid is used with these nouns:
argument, assumption, comparison, complaint, concern, conclusion, contract, coupon, credit card, criticism, distinction, driving licence, excuse, generalization, ground, inference, interpretation, licence, measure, objection, passport, password, permit, point, reason, signature, ticket, visa, vote, will