Used to emphasize that something is genuine, authentic, and accurately described, even if it seems unlikely or surprising.
It intensifies a description, indicating that something is truly what it is claimed to be, without exaggeration.
It's often employed when the described characteristic is particularly noteworthy or remarkable, leaving little doubt about its existence or prominence.
It is especially useful to confirm the quality of someone or something with little to no doubt. Furthermore, it is a word best reserved for high forms of formal speech and writing and is often found in older, longer-form writing pieces and can often feel out of place when written in a causal tone.
TRUE REAL
GENUINE REGULAR
BONAFIDE
AUTHENTIC
UNQUESTIONABLE