What is the meaning of Guise?

Customary way of speaking or acting; fashion, manner, practice (often used formerly in such phrases as "at his own guise"; that is, in his own fashion, to suit himself.)

External appearance in manner or dress; appropriate indication or expression; garb; shape.

Misleading appearance; cover, cloak.

To dress.

To act as a guiser; to go dressed up in a parade etc.

Deliberate misspelling of guys.

way

inflection of guisar:

  1. first/third-person singular present subjunctive
  2. third-person singular imperative

first/third-person singular present subjunctive

third-person singular imperative

plural of guisa

way; manner

inflection of guisar:

  1. first/third-person singular present subjunctive
  2. third-person singular imperative

first/third-person singular present subjunctive

third-person singular imperative

inflection of guisar:

  1. first/third-person singular present subjunctive
  2. third-person singular imperative

first/third-person singular present subjunctive

third-person singular imperative

Source: wiktionary.org