Definitions
1.verbTo be strong; to have power (over).
2.verb(auxiliary) To be able; can.
3.verbTo be able to go.
4.verb(modal auxiliary verb, defective) To have permission to, be allowed. Used in granting permission and in questions to make polite requests."you may smoke outside; may I sit there?"
5.verb(modal auxiliary verb, defective) Expressing a present possibility; possibly."he may be lying; Schrödinger's cat may or may not be in the box"
6.verb(subjunctive present, defective) Expressing a wish (with present subjunctive effect)."may you win; may the weather be sunny"
7.verbUsed in modesty, courtesy, or concession, or to soften a question or remark.