Select the option that can be used as a one-word substitute for the given group of words.

Allowing or assisting to discover

Heuristic

The option that can be used as a one-word substitute for the given group of words "allowing or assisting to discover" is heuristic.

• Conceptual means relating to or involving concepts.
• Ineducative means not providing education or instruction.
• Unempirical means not based on or derived from observation or experience.
• Heuristic means involving or serving as an aid to learning, discovery, or problem-solving by experimental and especially trial-and-error methods.

The word heuristic is the most appropriate because it specifically refers to a method or technique that helps people to discover new things. The other words do not have the same connotation of learning or discovery.