hypothecate

1. Pledge without delivery or title of possession (synset 201064072)
   is a type of: pledge - give as a guarantee
2. To believe especially on uncertain or tentative grounds (synset 200635105)
   "Scientists supposed that large dinosaurs lived in swamps"
   is a type of: anticipate, expect - regard something as probable or likely
   subtypes:

   • construct, reconstruct, retrace - reassemble mentally
   • develop, explicate, formulate - elaborate, as of theories and hypotheses
   same as: conjecture, hypothesise, hypothesize, speculate, suppose, theorise, theorize

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