Perfectly (7)

<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">perfectly</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for ideally that I've seen before include "In perfect circumstances" , "Lay idle (anag)" , "in theory" , "In the best of all possible worlds" , "Perfectly; most suitably" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">perfectly</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for like a charm that I've seen before include "successfully" , "in swimming style" , "Perfectly, as if by magic (colloq.)" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">perfectly</span>' is the definition.<br/ ><span class="explanation-format__explanation">('to a T' or 'to a tee' can mean perfectly)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for to a t that I've seen before include "Exactly right" , "In every detail" , "perfectly well" .)