speculate

Meanings

Verb

• to believe especially on uncertain or tentative grounds
• talk over conjecturally, or review in an idle or casual way and with an element of doubt or without sufficient reason to reach a conclusion
• reflect deeply on a subject
  • "philosophers have speculated on the question of God for thousands of years"
• invest at a risk

Synonyms

chew over, conjecture, contemplate, excogitate, hypothecate, hypothesise, hypothesize, job, meditate, mull, mull over, muse, ponder, reflect, ruminate, suppose, theorise, theorize, think over