earnestly (adv.)
- actively
- ardently
- assiduously
- decidedly
- decisively
- decorously
- demurely
- determinedly
- devotedly
- devoutly
- dingdong
- down
- exhaustively
- fervently
- fervidly
- firmly
- fixedly
- formally
- gravely
- grimly
- heartily
- heatedly
- inflexibly
- intensely
- intently
- obstinately
- painstakingly
- passionately
- perseveringly
- persistently
- purposefully
- relentlessly
- resolutely
- sedately
- seriously
- sincerely
- soberly
- solemnly
- somberly
- staidly
- staunchly
- steadfastly
- steadily
- tenaciously
- thoroughly
- thoughtfully
- unswervingly
- vehemently
- wholeheartedly
- zealously
