What is the opposite of invalidate?

Need antonyms for invalidate? Here's a list of opposite words from our thesaurus that you can use instead.

Verb
Opposite of to put an end to, especially formally
Verb
Opposite of to make or prove (an argument, statement, or theory) unsound or erroneous
Verb
Opposite of to annul or make invalid
“Technically, as all 25 member states must ratify the treaty for it to take effect, it is dead.”
Verb
Opposite of to discontinue or no longer provide (something previously supplied or offered)
“While forgiveness might be good for the soul, it needs both sides to proffer that olive branch.”
Verb
Opposite of to demonstrate or expose to the falsehood of something
Verb
Opposite of to cancel or annul a decision or course of action
“If the firefighters persevere with their eight-day strike this week, then matters could escalate rapidly.”
Verb
Opposite of to frustrate or prevent (someone) from achieving an aim
“I will do everything I can to assist you in all of your endeavors.”
Verb
Opposite of to have a diminishing effect on
Verb
Opposite of to expose or reveal the true nature or character of
Verb
Opposite of to destroy (usually forcefully) or to put an end to
“The rhetoric serves to perpetuate the myth that perpetrators have no control over their behavior when they are drunk.”
Verb
Opposite of to discredit or ridicule something through the exposing of facts or information
“I support their theory that the traits are likely influenced by a long history of genetic and cultural trends that maintained and encouraged these seemingly ubiquitous characteristics.”
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