IshExod 7:14 :ܕܠܘ ܫܚܝܡܬܐ ܬܣܒܪ ܠܗ ܕܘܟܬܐ ܗ݀ܝ ܐܠܐ ܦܪܝܫܬܐ ܘܩܕܝܫܬܐ‏ : so that that place would not lead him to think that it is simple but rather a special and holy one
See the entire entry for sbr vb. to expect; to reason