Meaning

• (grammar) A conditional sentence; a statement that depends on a condition being true or false.

• (grammar) The conditional mood.

• A statement that one sentence is true if another is.

  ""A implies B" is a conditional."

• An instruction that branches depending on the truth of a condition at that point.

  "if and while are conditionals in some programming languages."

• A limitation.

Meaning

• Limited by a condition.

  "I made my son a conditional promise: I would buy him a bike if he kept his room tidy."

• Stating that one sentence is true if another is.

  ""A implies B" is a conditional statement."

• (grammar) Expressing a condition or supposition.

  "a conditional word, mode, or tense"