speculate

definition: reflect deeply on a subject
example:
speech part: verb
synonyms: muse
definition: to believe especially on uncertain or tentative grounds
example:
speech part: verb
synonyms: conjecture
definition: 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:
speech part: verb
synonyms:
definition: invest at a risk
example:
speech part: verb
synonyms: job

speculate is explained and pronounced

How speculate is being used?