to give something, especially money, in order to provide or achieve something together with other people
I ___________ $20 towards Andrea's present.
contribute
1) the power to affect how someone thinks or behaves, or how something develops
2) someone or something that has an effect on another person or thing
His grandfather was a strong ________ on him
influence
to get information about something, or to learn a fact for the first time.
I must _____ ____ the train times
find out