may

(modal, defective, auxiliary) Used in modesty, courtesy, or concession, or to soften a question or remark.

(modal, defective, subjunctive, auxiliary) Used to express a wish (takes a simple bare infinitive with present subjunctive effect).

(obsolete, intransitive) To be strong; to have power (over).

(obsolete, auxiliary) To be able; can.

(intransitive, poetic) To be able to go.

(modal, defective, auxiliary) To have permission to, to be allowed to. Used in granting permission and in questions to make polite requests; takes a simple bare infinitive.

(modal, defective, auxiliary) Used to express a present or future possibility; aspectually, this sense takes a simple, progressive/continuous or perfect bare infinitive.