Definition from Wiktionary, the free dictionary
Alternative forms 
- conditionall (obsolete)
conditional (plural conditionals)
- (grammar) A conditional sentence; a statement that depends on a condition being true or false.
- (grammar) The conditional mood.
- (logic) A statement that one sentence is true if another is.
- "A implies B" is a conditional.
- L. H. Atwater
- Disjunctives may be turned into conditionals.
- (computing, programming) An instruction that branches depending on the truth of a condition at that point.
whileare conditionals in some programming languages.
- (obsolete) A limitation.
- (Can we find and add a quotation of Francis Bacon to this entry?)
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Translations to be checked
conditional (not comparable)
- Depending on a condition.
- (logic) Stating that one sentence is true if another is.
- "A implies B" is a conditional statement.
- (in logic): hypothetical
Derived terms 
depending on a condition