easily

calmly comfortably conveniently efficiently effortlessly freely handily quickly readily regularly simply smoothly surely well

competently coolly dexterously evenly facilely fluently hand over fist hands down just like that lightly like nothing no sweat nothing to it piece of cake plainly steadily swimmingly uncomplicatedly with ease with no effort without a hitch without trouble

difficultly insufficiently

doubtedly dubitably questionably

actually certainly clearly definitely probably really surely

absolutely almost certainly assuredly beyond question by far decidedly doubtless doubtlessly far and away indeed indisputably indubitably no doubt plainly positively truly undeniably undoubtedly unequivocally unquestionably

doubtfully dubiously indefinitely questionably

difficultly doubtedly dubitably