| verb | declare or make legally valid |
| verb | prove valid; show or confirm the validity of something |
| verb | give evidence for |
| verb | make valid or confirm the validity of “validate a ticket” |
| adjective | serving to support or corroborate “collateral evidence” |
| formalization | noun | the act of making formal (as by stating formal rules governing classes of expressions) |
| formalisation | noun | the act of making formal (as by stating formal rules governing classes of expressions) |
| validatory | adjective | serving to support or corroborate |
| validation | noun | the cognitive process of establishing a valid proof |
| corroborative | adjective | serving to support or corroborate |
| corroboratory | adjective | serving to support or corroborate |
| corroboration | noun | confirmation that some fact or statement is true through the use of documentary evidence |
| collateral | noun | a security pledged for the repayment of a loan |
| confirm | verb | establish or strengthen as with new evidence or facts |
| corroborate | verb | support with evidence or authority or make more certain or confirm |
| substantiate | verb | establish or strengthen as with new evidence or facts |
| validate | verb | give evidence for |
| verify | verb | confirm the truth of |