wishful; hopeful (but not necessarily realistic)
Describes thinking or statements based on hope rather than evidence; often used in phrases like 希望的観測 (wishful thinking).
His prediction is nothing more than wishful thinking.
Please avoid wishful remarks and state only the facts.
楽観的 means 'optimistic' in a general sense; 希望的 often carries a nuance of being unrealistic or not grounded in fact.
wishful thinking
Derived from 希望 (hope) + 的 (adjectival suffix), forming a na-adjective meaning 'wishful' or 'hopeful'.