hederlig

Etymology
From, equivalent to +

Adjective

 * 1) honest, honorable, not corrupt
 * 2) traditional and valued, good

Usage notes
Often used in the constructions gammal hederlig ("good old-fashioned") or vanlig, hederlig ("ordinary, reliable") if one wants to stress that it has been used, and tried, for a long time or by a lot of people, respectively.
 * reliable