Definitions
1.verb(now uncommon or literary) To wish, desire (something)."Do what you will."
2.verb(nowadays rare) To wish or desire (that something happen); to intend (that).
3.verb(auxiliary) To habitually do (a given action).
4.verb(auxiliary) To choose to (do something); used to express intention but without any temporal connotations (+ bare infinitive), often in negation."I’ve told him three times, but he won’t take his medicine."
5.verb(auxiliary) Used to express the future tense, sometimes with some implication of volition when used in the first person. Compare shall.
6.verb(auxiliary) To be able to, to have the capacity to."Unfortunately, only one of these gloves will actually fit over my hand."
7.verb(auxiliary) Expressing a present tense with some conditional or subjective weakening: "will turn out to", "must by inference".