Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
pensĭcŭlātē, adv., v. pensiculo fin.
pensĭcŭlo, āre, v. a. [pendo], to weigh, ponder, consider (post-class.): pensicula utrumque, modulareque (al. pensiculate moderateque), Gell. 13, 20, 11: scripta, App. Flor. p. 364; id. Deo. Soc. p. 103 init.
Hence, pensĭcŭlātē, adv., carefully (post-class.): pensiculate (al. pensim) scripta, Gell. 1, 3, 12.