spec·u·la·tion 
(spĕk′yə-lāshən)
(spĕk′yə-lāshən)n.
1.
a. Reasoning based on inconclusive evidence; conjecture or supposition.
b. A conclusion, opinion, or theory reached by conjecture.
c. Archaic Contemplation or consideration of a subject; meditation.
2.
a. Engagement in risky business transactions on the chance of quick or considerable profit.
b. A commercial or financial transaction involving speculation.
- Indo-European root: rēd-
- Indo-European root: r̥tko-
- Indo-European root: sak-
- Indo-European root: sal-
- Indo-European root: sed-
- Indo-European root: segh-
- Indo-European root: sek-
- Indo-European root: sekw-
- Indo-European root: sekw-
- Indo-European root: sekw-
- Indo-European root: sel-
- Indo-European root: sem-
- Indo-European root: sem-
- Indo-European root: sen-
- Indo-European root: sengwh-
- Indo-European root: sent-
- Indo-European root: sep-
- Indo-European root: septm̥
- Indo-European root: ser-
- Indo-European root: ser-
- Indo-European root: seuə-
- Indo-European root: seuə-
- Indo-European root: skand-
- Indo-European root: skei-
- Indo-European root: skel-