Gyf luf be vertu, than is it lefull thing; Gif it be vyce, it is ȝour ondoyng.
Thou art hys spows; til the to tak on hand Is lefull with request hys mynd to assay.
Bot, war it lefull to compar prophane fabillis to haly Scriptour, Sanct John the ewangelist is verray Jovis egill, and clepit son of thundir.
Behald and se the extreme fynale day, To geif all otheris gud exempill for ay, That it mot nevir lefullbe agane Tyll ony to contempne gret Jove invane, 30 As forto rays with sik dreid and effeir Sa onworthy motioun of wikkit weir.
In the first, Quhethir it be lefull and lawufull thing till entre in cloisit feldis to defend richtwise cause.
Here he puttis the case, in the quhilk it is lefull to geve gage of bataill.
Gif a Prisouner be suorne to hald prisoun, and his takar put him atour his ath in stark prisoun or festnyng, gif it be lefull to him to escape, and brek presoun.
That thynge is not lefull to be seen / [that] is not lefull to be desyred.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "lefull" in a variety of sentences. We hope that you will now be able to make sentences using this word.