decision的动词形式是decide。decide的意思是对…作出抉择，决定，选定，裁决，判决，影响（或决定）…的结果。例句：She decided to do a secretarial course（她决定修一门文秘课程）。

decide的例句：The goal that decided the match came just before the interval（决定本场比赛结果的进球是在中场休息前一刻打入的）；He decided Franklin must be suffering from a bad cold（他断定富兰克林一定是得了重感冒）。