conclusion and decision share a recorded sense, so the question is not what they mean but which one fits. conclusion means “a position or opinion or judgment reached after consideration”. decision means “the act of making up your mind about something”. decision is the more common of the two in everyday English.
/kənˈkluʒən/
1.n.a position or opinion or judgment reached after consideration
“a decision unfavorable to the opposition”
2.n.an intuitive assumption
“jump to a conclusion”
3.n.the temporal end; the concluding time
“the stopping point of each round was signaled by a bell”
| conclusion | decision | |
|---|---|---|
| Pronunciation | /kənˈkluʒən/ | /dɪˈsɪʒən/ |
| Said | kuhn-KLOO-zhuhn | di-SIZH-uhn |
| Syllables | 3 | 3 |
| Letters | 10 | 8 |
| Parts of speech | noun | noun |
| Senses | 9 | 5 |
| How common | Common | Core |
| Synonyms | decision, determination | determination, conclusion |
Full entry for conclusion · Full entry for decision · More comparisons
/dɪˈsɪʒən/
1.n.the act of making up your mind about something
“the burden of decision was his”
2.n.a position or opinion or judgment reached after consideration
“a decision unfavorable to the opposition”
3.n.(boxing) a victory won on points when no knockout has occurred
“had little trouble in taking a unanimous decision over his opponent”