| Meaning | Well grounded in logic / logic or truth or having legal force. |
|---|
| Examples | - "a valid inference"
- "a valid argument"
- "a valid contract"
|
|---|
| Narrower | binding | executed with proper legal authority |
|---|
| legal, sound, effectual | Having legal efficacy or force |
| legitimate, logical | Based on known statements or events or conditions |
| reasoned, sound, well-grounded | logically valid |
| validated | declared or made legally valid |
| See also | legitimate | Of marriages and offspring |
|---|
| reasonable, sensible | showing reason or sound judgment |
| Opposite | invalid | Having no cogency or legal force |
|---|
| Spanish | válido |
|---|
| Catalan | vàlid |
|---|
| Nouns | validity | the quality of being valid and rigorous |
|---|
| validness | the quality of having legal force or effectiveness |
| Adverbs | validly | with validity |
|---|
