you pays your money and you takes your choice
decisory
play it by ear
the ball is in someone's court
selfish
opter
settle on
self-select
think for oneself
autoselection
wishful thinking
self-determination
self-elect
for myself
pitch upon
selector
picking
picker
chooser
pick
discretionary
adopt
discretional
framed decision
self-determine
had best
one's own boss
election
demoicracy
do well
elect
choice
choosing
cup of joe
empowered
cup of coffee
discretionally
snap judgment
plump for
lifepath
take one's pick
discretionarily
discretionless
think of
selection
choiceness
decidable
decisionally
on one's own account
draw straws