Synonyms to in set form

solemnly, bleakly, ceremoniously, decorously, demurely, dismally, drearily, earnestly, formally, funereally, gloomily, grandly, gravely, grimly, heavily, imposingly, in due form, loftily, magisterially, majestically, nobly, pro forma, regally, ritualistically, ritually, royally, sadly, sedately, seriously, sober-mindedly, soberly, sobersidedly, somberly, sombrously, staidly, stately, thoughtfully, venerably, with dignity, worthily