| rapidly(earnestly, heartily, readily, promptly, sincerely) |
| raring |
| regardfully |
| responsibly(adverb, attentively) |
| scrupulously(adverb, hard, thoroughly, closely, carefully) |
| scrutinizingly(adverb, attentively) |
| sedately(adverb, seriously, vigorously, earnestly, actively) |
| setly |
| similarly(adverb, hard, thoroughly, closely, carefully) |
| simmer down(expression, adverb, seriously, vigorously, earnestly) |
| soberly(adverb, seriously, vigorously, earnestly, actively) |
| solemnly(adverb, seriously, vigorously, earnestly, actively) |
| speedily(earnestly, promptly, enthusiastically, energetically, meticulously) |
| spiritedly(adverb, earnestly, heartily, readily, promptly) |
| staunchly(adverb, resolutely) |
| sternly(adverb, seriously, vigorously, earnestly, actively) |
| straighten out(expression, adverb, seriously, vigorously, earnestly) |
| strictly(adverb, hard, thoroughly, carefully, firmly) |
| stubbornly(adverb, resolutely) |
| tenaciously(adverb, resolutely) |