fain

adj

He was fain to accept the invitation.

意味（1）

(archaic) Well-pleased, glad.

Thus Gawayne and Ector abode to gyder

For syre Ector wold not awey til Gawayne were hole

& the good knyȝt Galahad rode so long tyll he came that nyghte to the Castel of Carboneck

& hit befelle hym thus

that he was benyghted in an hermytage

Soo the good man was fayne whan he sawe he was a knyght erraunt

意味（2）

(archaic) Satisfied, contented.

O love, of my death my life is fain,

意味（3）

(archaic) Eager, willing or inclined to.

Man and Birds are fayne of climbing high.

意味（4）

(archaic) Obliged or compelled to.