conniving
shrewdapproving
SMART Vocabulary: related words and phrases
Sly & devious
artful
artfully
artfulness
backdoor
conniving
devious
deviously
deviousness
disingenuous
disingenuously
ducking
guileful
guilefully
legerdemain
Machiavellian
Machiavellianism
tricky
underhand
weaselly
wily
calculating | American Dictionary
calculating
adjective
us/ˈkæl·kjəˌleɪ·t̬ɪŋ/
using other people or situations as a way to get something you want, esp. in a selfish or secret way:
The letter reveals a very calculating young man who had always sought a career in politics.