artful
The actors stood near the microphone, which was artfully concealed in a vase of flowers.
She deserves credit for artfully steering her magazine on a difficult course in the early years.
The film was, I thought, very artfully done.
He apologized for his remarks, which were not, as he put it, artfully said.

SMART Vocabulary: related words and phrases

Sly & devious
artful
artfulness
backdoor
calculating
conniving
devious
deviously
deviousness
disingenuous
disingenuously
ducking
guileful
guilefully
legerdemain
Machiavellian
Machiavellianism
tricky
underhand
weaselly
wily

You can also find related words, phrases, and synonyms in the topics:

Intelligence