DEPEND, L. To hang.

1. To hang to be sustained by being fastened or attached to something above followed by from.

From the frozen beard

Long icicles depend.

2. To be connected with anything, as the cause of its existence or of its operation and effects to rely on to have such connection with any thing as a cause, that without it, the effect would not be produced followed by on or upon. We depend on God for existence we depend on air for respiration vegetation depends on heat and moisture the infant depends on its parents for support the peace of society depends on good laws and a faithful administration.
3. To adhere to hold to to be retained.
4. To be in suspense to be undetermined as, the cause still depends. But the verb is seldom used in this sense. We use the participle as, the suit is still depending in court.
5. To rely to rest with confidence to trust to confide to have full confidence or belief, we depend on the word or assurance of our friends. We depend on the arrival of the mail at the usual hour. Depend on it, the knave will deceive us.

To depend on or upon, to rely to trust in, with confidence.