subitize

(ˈsʌbɪˌtaɪz) or

subitise

vb (Psychology) psychol to perceive the number of (a group of items) at a glance and without counting: the maximum number of items that can be subitized is about five. [C20: from Latin subitus sudden + -ize]

subitize

Past participle: subitized
Gerund: subitizing

Imperative
subitize
subitize

Present
I subitize
you subitize
he/she/it subitizes
we subitize
you subitize
they subitize

Preterite
I subitized
you subitized
he/she/it subitized
we subitized
you subitized
they subitized

Present Continuous
I am subitizing
you are subitizing
he/she/it is subitizing
we are subitizing
you are subitizing
they are subitizing

Present Perfect
I have subitized
you have subitized
he/she/it has subitized
we have subitized
you have subitized
they have subitized

Past Continuous
I was subitizing
you were subitizing
he/she/it was subitizing
we were subitizing
you were subitizing
they were subitizing

Past Perfect
I had subitized
you had subitized
he/she/it had subitized
we had subitized
you had subitized
they had subitized

Future
I will subitize
you will subitize
he/she/it will subitize
we will subitize
you will subitize
they will subitize

Future Perfect
I will have subitized
you will have subitized
he/she/it will have subitized
we will have subitized
you will have subitized
they will have subitized

Future Continuous
I will be subitizing
you will be subitizing
he/she/it will be subitizing
we will be subitizing
you will be subitizing
they will be subitizing

Present Perfect Continuous
I have been subitizing
you have been subitizing
he/she/it has been subitizing
we have been subitizing
you have been subitizing
they have been subitizing

Future Perfect Continuous
I will have been subitizing
you will have been subitizing
he/she/it will have been subitizing
we will have been subitizing
you will have been subitizing
they will have been subitizing

Past Perfect Continuous
I had been subitizing
you had been subitizing
he/she/it had been subitizing
we had been subitizing
you had been subitizing
they had been subitizing

Conditional
I would subitize
you would subitize
he/she/it would subitize
we would subitize
you would subitize
they would subitize

Past Conditional
I would have subitized
you would have subitized
he/she/it would have subitized
we would have subitized
you would have subitized
they would have subitized