Synonyms of imperturbably

2 Syllables
blandly, calmly, mildly, lightly, kindly, meekly, softly, quietly
3 Syllables
tenderly, genially, gingerly, tranquilly, patiently, soothingly, tepidly
4 Syllables
enduringly, forbearingly, resignedly, tolerantly, mollifyingly
5 Syllables
impassively, temperately, indifferently, delicately, moderately
6 Syllables
compassionately