1aid /ˈeɪd/ verb aids; aid·ed; aid·ing
to provide what is useful or necessary : help
] ▪ They gave money in order to aid the cause. ▪ She aided them in their efforts. ▪ He jumped into the water to aid the drowning child. ▪ His position was aided [=strengthened] by the fact that he was right. ▪ a home run that was aided by the wind ▪ aiding the poor ▪ She aided the government in the attempt to fight illiteracy. ▪ She is charged with aiding and abetting [=helping and encouraging] the thief in his getaway.
] — usually + in ▪ She aided in the attempt to fight illiteracy. ▪ His research aided in the discovery of a new treatment for cancer. ▪ The research aided in establishing new theories.