Meaning : To believe especially on uncertain or tentative grounds.
Example :
Scientists supposed that large dinosaurs lived in swamps.
Synonyms : conjecture, hypothecate, hypothesise, hypothesize, suppose, theorise, theorize
Meaning : 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.
Example :
We were speculating whether the President had to resign after the scandal.
Meaning : Reflect deeply on a subject.
Example :
I mulled over the events of the afternoon.
Philosophers have speculated on the question of God for thousands of years.
The scientist must stop to observe and start to excogitate.
Synonyms : chew over, contemplate, excogitate, meditate, mull, mull over, muse, ponder, reflect, ruminate, think over
Meaning : Invest at a risk.
Example :
I bought this house not because I want to live in it but to sell it later at a good price, so I am speculating.
Synonyms : job
Speculate ka meaning, vilom shabd, paryayvachi aur samanarthi shabd in Marathi. Speculate ka matlab kya hota hai?