Strong's Concordance H539

Original Word: אָמַן
Transliteration: ʼâman
Phonetic Spelling: aw-man'
a primitive root; (Isaiah 30:21; interchangeable with H541, to go to the right hand); properly, to build up or support; to foster as a parent or nurse; figuratively to render (or be) firm or faithful, to trust or believe, to be permanent or quiet; morally to be true or certain; hence, assurance, believe, bring up, establish, fail, be faithful (of long continuance, stedfast, sure, surely, trusty, verified), nurse, (-ing father), (put), trust, turn to the right.

Usages throughout the bible

Micah 7:5 - Trust H539 ye not in a friend, put ye not confidence in a guide: keep the doors of thy mouth from her that lieth in thy bosom.

Habakkuk 1:5 - Behold ye among the heathen, and regard, and wonder marvellously: for I will work a work in your days, which ye will not believe, H539 though it be told you.