If
As long as
Synonyms On condition that, providing (that), supposing (that), on the assumption that, as long as, with/on the understanding that, contingent on, allowing that, provided (that), presuming (that), assuming (that), allowing (that), given that, if and only if, and in the event that.
Uncertainty
Synonyms Uncertainty, lack of certainty, vagueness, stipulation, proviso, prerequisite, requirement, restriction, modification, doubt, hesitation, condition, provision, constraint, precondition, specification, and supposition.
Example Sentences
If you need help, ask.
Call me if you're ready.
If it's raining, we'll stay inside.
Let me know if you agree.
