speculate[verb]Synonyms:- conjecture, consider, guess, hypothesize, suppose, surmise, theorize, wonder
- gamble, hazard, risk, venture 
Related Idioms: beat one's brains, turn over in one's mind, use the gray matter
Related Words: excogitate, 
review, 
study, 
weigh [TahlilGaran] English Synonym Dictionary ▲
 spec‧u‧late /ˈspekjəleɪt, ˈspekjʊleɪt/ 
 verb[
Date: 1500-1600; 
Language: Latin; 
Origin: past participle of speculari 'to watch (secretly)', from specere 'to look (at)']
1.  [intransitive and transitive] to guess about the possible causes or effects of something, without knowing all the facts or details: 
 She refused to speculate.speculate on/about (why/what etc)
 She refused to speculate.speculate on/about (why/what etc) Jones refused to speculate about what might happen.speculate that
 Jones refused to speculate about what might happen.speculate that Some analysts speculated that jobs will be lost.2.  [intransitive]
 Some analysts speculated that jobs will be lost.2.  [intransitive] to buy goods, property, 
shares in a company etc, hoping that you will make a large profit when you sell them
speculate in/on He speculated in stocks.
 He speculated in stocks.  [TahlilGaran] Dictionary of Contemporary English ▲