Reverse Dictionary: CALCULATE

ADJECTIVES
1400 — CAST calculated, planned → obs.
1611 — CALCULATORY pert. to calculation or estimate → obs.

NOUNS
1601 — CALCULE calculation → obs.
1754 — CALCUL calculation; estimate → Sc. obs.

VERBS
1300 — CAST to calculate, to reckon, to estimate → obs.
1377 — CALCULE to calculate, to reckon → obs.
1398 — ACCOUNT to calculate, to reckon, to compute → obs.
1401 — CALK to calculate, to reckon, esp. astrologically → obs.
1597 — RATE to calculate, to reckon, to estimate the amount or sum of 
1602 — CATALOGIZE to calculate, to reckon up → obs.
1837 — CIPHER → CYPHER to calculate; to think out → US colloq.
1862 — UPCAST to calculate, to reckon → Sc.
1913 — CALCILATE to calculate; to plan; to intend → Amer. dial. (Bk.)
1999 — CALC OUT to calculate something → US sl.