Suggest
Definition
Put forward a possible idea or explanation, usually based on given information.
Explanation
There may be more than one acceptable answer. Support your suggestion with a reason.
Example
Suggest a reason for the anomalous result.
In an exam
Command-word meanings can vary between subjects, exam boards and mark schemes, so check your own board's guidance. See Exam Command Words: What Each Instruction Asks For.
Common confusion
Suggest means a reasonable possibility, not a certainty.