The term 'certain' denotes a state of being assured or confident, without doubt, of something's truth, existence, or occurrence.
It can also refer to a specific, but not necessarily identified, person, thing, or event. Furthermore, it signifies something that is bound to happen or is inevitable. The word implies a level of conviction derived from evidence, observation, or intuition, ranging from practical certainty to a sense of inherent surety.
It frequently conveys a sense of reliability and predictability, representing a trustworthy belief or action.
SUR
SOME SURE
BOUND
SEALED
ASSURED
POSITIVE INTHEBAG DEFINITE UNERRING
CONVINCED INNODOUBT CONFIDENT FOOLPROOF CONFIRMED
PARTICULAR
BEYONDDOUBT
INDISPUTABLE
UNQUESTIONABLE