Meaning

verb put up with something or somebody unpleasant

verb recognize and respect (rights and beliefs of others)

verb have a tolerance for a poison or strong drug or pathogen or environmental condition

originBorrowed from Latin tolerātus, the perfect passive participle of tolerō (“to endure”), see -ate (verb-forming suffix). Cognate with Old English þolian (“to tolerate, suffer, bear”) and French tolérer. More at thole.

Etymology from Wiktionary, CC BY-SA 3.0