1. (noun) additional proof that something that was believed (some fact or hypothesis or theory) is correct

• check
• confirmation
• verification

2. (noun) the act of validating; finding or testing the truth of something

• proof
• validation

1. (noun) additional proof that something that was believed (some fact or hypothesis or theory) is correct

• bed check
• checksum
• crosscheck
• odd-even check
• parity check
• redundancy check

2. (noun) the act of validating; finding or testing the truth of something

• authentication
• certification
• documentation
• support
• monetisation
• monetization
• probate

1. (noun) additional proof that something that was believed (some fact or hypothesis or theory) is correct

• cogent evidence
• proof

2. (noun) the act of validating; finding or testing the truth of something

• determination
• finding

1. (noun) additional proof that something that was believed (some fact or hypothesis or theory) is correct

• affirm
• affirm
• confirm
• confirm
• corroborate
• corroborate
• substantiate
• substantiate
• support
• support
• sustain
• sustain
• ascertain
• assure
• check
• control
• ensure
• insure
• see
• see to it
• check
• confirm
• reassert
• verify

2. (noun) the act of validating; finding or testing the truth of something

• affirm
• confirm
• corroborate
• substantiate
• support
• sustain
• corroborate
• validate
• validate