Synonyms to ceremoniously

solemnly, bleakly, decorously, demurely, dismally, drearily, earnestly, formally, funereally, gloomily, grandly, gravely, grimly, heavily, imposingly, in due form, in set 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