Collocations for stance - noun

correct, good | natural | rigid | relaxed | upright | defensive, fighting

adopt, take up
The boxer took up a fighting stance.

change | keep, maintain

in a ~
He lounged in an armchair in a stance of deliberate contempt.

positive | critical, negative | impartial, neutral | aggressive, hardline, rigid, tough, uncompromising | cautious | conservative | radical | ideological, moral, political | public
Her public stance was much tougher than her private feelings on the subject.

adopt, take (up) | alter, change | maintain
The wife of the accused has maintained an impartial stance throughout the trial.

~ against
The president has adopted a hardline stance against abortion.

~ on/towards
He has changed his stance on monetary union.