IPA: /ˈɡrævɪtɑs/
KK: /ˈgrævɪtɑs/
A serious and dignified manner or attitude that conveys importance and weight.
The speaker's gravitas impressed the audience and made them take the topic seriously.
Gravitas → It is derived from the Latin word "gravis" (meaning heavy or serious) and the suffix "-tas" (which forms a noun indicating a state or condition). The word "gravitas" refers to the state of being serious or weighty in manner or character.
Think of 'heavy' ('gravis') to remember that 'gravitas' means a serious or weighty demeanor.
No commonly confused words.