aforethought
planned
plotted
advised
calculated
conscious
considered
contrived
cooked-up
cut out
cut-and-dried
cut-and-dry
deliberate
designed
fixed
in the bag
intended
intentional
on ice
packed
prearranged
preconceived
preconcerted
preconsidered
precontrived
predeliberated
predetermined
preordered
prepense
preresolved
purposive
put-up
rigged
schemed
set-up
stacked
studied
studious
thought-out
atrocious
basest
cold-blooded
dastardly
downright
fiendish
first-degree
flagrant
malicious
murderous
nefarious
outright
purposeful
treasonable
unintentional
unpardonable
unpremeditated
unprovoked
wanton
wilful