1. to suggest or propose a hypothesis; to make an educated guess based on limited evidence
Usage: British English spelling; American English uses 'hypothesize'; commonly used in scientific and academic contexts

Examples

• The scientists hypothesised that the new compound would improve battery performance.
• Based on the fossil evidence, researchers hypothesised that the species migrated from Africa.
• We can only hypothesise about what caused the ancient civilization to collapse.
• The team hypothesised several possible explanations for the unexpected results.
• She hypothesised that regular exercise would reduce stress levels in the study participants.
• Without more data, we can only hypothesise about the true cause of the phenomenon.