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Definitions

for

[fawr, fer] / fɔr, fər /
CONJUNCTION
in consequence of the fact that
Synonyms
WEAK
as as long as because being considering inasmuch as now since whereas
PREPOSITION
in consideration of
Synonyms
WEAK
after as beneficial to concerning conducive to during for the sake of in contemplation of in exchange for in favor of in furtherance of in order to in order to get in place of in pursuance of in the direction of in the interest of in the name of notwithstanding on the part of on the side of pro supposing to to counterbalance to go to to the amount of to the extent of toward under the authority of with a view to with regard to with respect

Usage

What are other ways to say for? The conjunction for introduces reason, proof, or justification for an occurrence or action, but it does so as if the reason were an afterthought or a parenthetical statement: I was famished, for I had not eaten all day. Because introduces a direct reason: I was sleeping because I was tired. As and since are so casual as to imply merely circumstances attendant on the main statement: As (or since) I was tired, I was sleeping. The more formal inasmuch as implies concession; the main statement is true in view of the circumstances introduced by this conjunction: Inasmuch as I was tired, it seemed best to sleep.

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The findings may also influence the search for life elsewhere in the solar system.

From Science Daily • Apr. 3, 2026

Cinquemani's research brings together these established ideas with newer evidence suggesting that impact-generated systems may also have played a role and, in some cases, may offer especially favorable conditions for early chemical reactions.

From Science Daily • Apr. 3, 2026

New research suggests they could have created the hot, chemically rich environments needed for life to begin.

From Science Daily • Apr. 3, 2026

The study focuses on hydrothermal vents, where heated, mineral-laden water moves through rock and into surrounding water, creating the right energy and chemistry for complex reactions.

From Science Daily • Apr. 3, 2026

Our eyes met for the first time since she’d sat down.

From "Legendary Frybread Drive-In" by Cynthia Leitich Smith

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.