From en.wiktionary.org:
** English
*** Adjective
[better-grounded]
1. Of a person : having extensive knowledge of a subject .
2. Of an argument , etc.: based on good judgment and solid reasoning .
**** Translations
[having extensive knowledge of a subject]
- Bulgarian: [bg]
- Finnish: [fi]
[trans-bottom]
[based on good judgment and solid reasoning]
- Armenian: [hy]
- Bulgarian: [bg]
- Finnish: [fi] , [fi]
[trans-bottom]