All 4 Uses of

forbearance
in
King Lear

Bethink yourself wherein you may have offended him: and at my entreaty forbear his presence until some little time hath qualified the heat of his displeasure; which at this instant so rageth in him that with the mischief of your person it would scarcely allay.†
Scene 1.2

I pray you have a continent forbearance till the speed of his rage goes slower; and, as I say, retire with me to my lodging, from whence I will fitly bring you to hear my lord speak: pray you, go; there's my key.†
Scene 1.2

forbearance = refraining (holding back) from acting OR patience, tolerance, or self-control

—Tell the hot duke that—No, but not yet: may be he is not well: Infirmity doth still neglect all office Whereto our health is bound: we are not ourselves When nature, being oppress'd, commands the mind To suffer with the body: I'll forbear; And am fallen out with my more headier will, To take the indispos'd and sickly fit For the sound man.†
Scene 2.4

forbear = refrain (hold back) from acting

Definitions:

(1) (forbearance)
patience, tolerance, or self-control

or:

refraining (holding back) from acting -- especially temporarily not collecting debt payments on a loan

The word, forbearance, is commonly used in the field of law to indicate that a legal right, claim or privilege is not being enforced.
(2) (meaning too rare to warrant focus)
meaning too rare to warrant focus:

The form, forbears is typically a verb, but can be an alternate spelling of the noun forebears; i.e., ancestors. Note that these words put the emphasis on different syllables: for-BEARS v. FORE-bears