to test or evaluate machinery, equipment, or a person's skill; a test or measurement

to perform a formal examination or inspection to evaluate quality, performance, or health

to forecast or estimate a future event or trend based on information or data

to monitor

to determine by measuring or surveying

to determine the dimensions, quantity, or capacity of something using a tool or instrument

to form an opinion or reach a conclusion based on incomplete information; to conjecture or speculate

to infer, conjecture, or surmise based on available evidence or logical reasoning

to measure and calculate

to monitor and record phenomena for scientific, meteorological, or astronomical purposes

to probe; to survey

a quiz, examination, or assessment used to measure a person's knowledge or skills

to test and evaluate

detector; probe

to survey terrain and draw maps or charts

an unexpected misfortune, accident, or contingency

to take actual measurements or use measured data, such as speed or dimensions

to investigate or explore a site for the presence of natural resources such as minerals or oil

to guess, conjecture, or speculate, often concerning someone's intentions or an unknown situation

to gauge or measure dimensions, distance, or properties using only one's eyes without the use of instruments

to determine the presence or value of something through measurement or testing

incomprehensible or impossible to predict; describing someone's mind, character, or motives

changing in a way that cannot be foreseen or anticipated

an assessment of public opinion by questioning a representative sample

to measure temperature

an instrument or device used for testing, monitoring, or detecting specific substances, signals, or physical properties

to detect or sense something, often through technical, scientific, or investigative means

puzzling and difficult to interpret, especially regarding a person's behavior, expression, or whereabouts

unfathomably deep; enigmatic

to estimate and report; to assess

measure (math.)

to form a theory or conjecture about a subject without firm evidence

harboring unfathomable motives; having sinister designs

to measure distance

changing in an erratic way that is impossible to foresee or measure

to measure speed

impossible to measure or understand due to extreme depth or complexity; enigmatic

Electronic equipment used to measure distance, such as a rangefinder or telemeter.

a value obtained through scientific or experimental observation.

hard to fathom a person's mind

hidden and dangerous, often referring to malicious intentions