contributing (Adjective) — Tending to bring about; being partly responsible for. ex. "the seaport was a contributing factor in the growth of the city"
contributing (Verb) — Provide a particular quality or character. ex. "Her presence contributes a certain cachet to the company"
contributing (Verb) — Provide a part of a whole amount; give towards some cause. ex. "I contributed at the office"
contributing (Verb) — Have the effect of making happen, or become more likely. ex. "The use of computers in the classroom contributed to better writing"
contributing (Verb) — Provide. ex. "The city has to contribute half the required amount"