to grant the use of (something) on condition that it or its equivalent will be returned.

to give (money) on condition that it is returned and that interest is paid for its temporary use.

to give or contribute obligingly or helpfully

to lend one's aid to a cause.

to adapt (oneself or itself) to something

The building should lend itself to inexpensive remodeling.

to furnish or impart

Distance lends enchantment to the view.

to make a loan. ?

lend a hand

to give help; aid

If everyone lends a hand, we can have dinner ready in half an hour.